354540420 has 144 divisors (see below), whose sum is σ = 1170204672. Its totient is φ = 86365440.

The previous prime is 354540409. The next prime is 354540427. The reversal of 354540420 is 24045453.

It is not an unprimeable number, because it can be changed into a prime (354540427) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 240285 + ... + 241755.

Almost surely, 2^354540420 is an apocalyptic number.

354540420 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 354540420, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (585102336).

354540420 is an abundant number, since it is smaller than the sum of its proper divisors (815664252).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

354540420 is a wasteful number, since it uses less digits than its factorization.

354540420 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1602 (or 1597 counting only the distinct ones).

The product of its (nonzero) digits is 9600, while the sum is 27.

The square root of 354540420 is about 18829.2437447711. The cubic root of 354540420 is about 707.7641893989.

Adding to 354540420 its reverse (24045453), we get a palindrome (378585873).

The spelling of 354540420 in words is "three hundred fifty-four million, five hundred forty thousand, four hundred twenty".