40931010 has 48 divisors (see below), whose sum is σ = 106834104. Its totient is φ = 10872576.

The previous prime is 40930987. The next prime is 40931039. The reversal of 40931010 is 1013904.

It can be written as a sum of positive squares in 4 ways, for example, as 31438449 + 9492561 = 5607^2 + 3081^2 .

It is a Harshad number since it is a multiple of its sum of digits (18).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 27444 + ... + 28896.

Almost surely, 2^40931010 is an apocalyptic number.

40931010 is an abundant number, since it is smaller than the sum of its proper divisors (65903094).

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

40931010 is a wasteful number, since it uses less digits than its factorization.

40931010 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1779 (or 1776 counting only the distinct ones).

The product of its (nonzero) digits is 108, while the sum is 18.

The square root of 40931010 is about 6397.7347553646. The cubic root of 40931010 is about 344.6282069124.

Adding to 40931010 its reverse (1013904), we get a palindrome (41944914).

The spelling of 40931010 in words is "forty million, nine hundred thirty-one thousand, ten".