40251030 has 16 divisors (see below), whose sum is σ = 96602544. Its totient is φ = 10733600.

The previous prime is 40251017. The next prime is 40251031. The reversal of 40251030 is 3015204.

40251030 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (15).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40251031) 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 7 ways as a sum of consecutive naturals, for example, 670821 + ... + 670880.

It is an arithmetic number, because the mean of its divisors is an integer number (6037659).

Almost surely, 2^40251030 is an apocalyptic number.

40251030 is an abundant number, since it is smaller than the sum of its proper divisors (56351514).

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

40251030 is a wasteful number, since it uses less digits than its factorization.

40251030 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1341711.

The product of its (nonzero) digits is 120, while the sum is 15.

The square root of 40251030 is about 6344.3699450773. The cubic root of 40251030 is about 342.7091233577.

Adding to 40251030 its reverse (3015204), we get a palindrome (43266234).

The spelling of 40251030 in words is "forty million, two hundred fifty-one thousand, thirty".