40615402 has 16 divisors (see below), whose sum is σ = 61649280. Its totient is φ = 20067408.

The previous prime is 40615391. The next prime is 40615403. The reversal of 40615402 is 20451604.

It is a super-2 number, since 2×40615402² = 3299221759243208, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (40615403) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 92299 + ... + 92737.

It is an arithmetic number, because the mean of its divisors is an integer number (3853080).

Almost surely, 2^40615402 is an apocalyptic number.

40615402 is a deficient number, since it is larger than the sum of its proper divisors (21033878).

40615402 is a wasteful number, since it uses less digits than its factorization.

40615402 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 885.

The product of its (nonzero) digits is 960, while the sum is 22.

The square root of 40615402 is about 6373.0214184482. The cubic root of 40615402 is about 343.7401419983.

The spelling of 40615402 in words is "forty million, six hundred fifteen thousand, four hundred two".