40085402 has 16 divisors (see below), whose sum is σ = 72335040. Its totient is φ = 16275168.

The previous prime is 40085401. The next prime is 40085411. The reversal of 40085402 is 20458004.

It is not an unprimeable number, because it can be changed into a prime (40085401) 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, 75083 + ... + 75614.

It is an arithmetic number, because the mean of its divisors is an integer number (4520940).

Almost surely, 2^40085402 is an apocalyptic number.

40085402 is a deficient number, since it is larger than the sum of its proper divisors (32249638).

40085402 is a wasteful number, since it uses less digits than its factorization.

40085402 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 150725.

The product of its (nonzero) digits is 1280, while the sum is 23.

The square root of 40085402 is about 6331.3033413350. The cubic root of 40085402 is about 342.2384085986.

The spelling of 40085402 in words is "forty million, eighty-five thousand, four hundred two".