40474343 has 32 divisors (see below), whose sum is σ = 52752000. Its totient is φ = 30820608.

The previous prime is 40474303. The next prime is 40474363. The reversal of 40474343 is 34347404.

It is not a de Polignac number, because 40474343 - 2⁶ = 40474279 is a prime.

It is a hoax number, since the sum of its digits (29) coincides with the sum of the digits of its distinct prime factors.

It is a Harshad number since it is a multiple of its sum of digits (29).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40474303) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 129155 + ... + 129467.

It is an arithmetic number, because the mean of its divisors is an integer number (1648500).

Almost surely, 2^40474343 is an apocalyptic number.

40474343 is a deficient number, since it is larger than the sum of its proper divisors (12277657).

40474343 is a wasteful number, since it uses less digits than its factorization.

40474343 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 376 (or 362 counting only the distinct ones).

The product of its (nonzero) digits is 16128, while the sum is 29.

The square root of 40474343 is about 6361.9449070233. The cubic root of 40474343 is about 343.3417390931.

It can be divided in two parts, 404 and 74343, that added together give a palindrome (74747).

The spelling of 40474343 in words is "forty million, four hundred seventy-four thousand, three hundred forty-three".