40340902 has 16 divisors (see below), whose sum is σ = 69253632. Its totient is φ = 17264520.

The previous prime is 40340893. The next prime is 40340903. The reversal of 40340902 is 20904304.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40340903) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 11173 + ... + 14335.

It is an arithmetic number, because the mean of its divisors is an integer number (4328352).

Almost surely, 2^40340902 is an apocalyptic number.

40340902 is a deficient number, since it is larger than the sum of its proper divisors (28912730).

40340902 is a wasteful number, since it uses less digits than its factorization.

40340902 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4083.

The product of its (nonzero) digits is 864, while the sum is 22.

The square root of 40340902 is about 6351.4488110981. The cubic root of 40340902 is about 342.9639993155.

The spelling of 40340902 in words is "forty million, three hundred forty thousand, nine hundred two".