40945038 has 16 divisors (see below), whose sum is σ = 86200320. Its totient is φ = 12929976.

The previous prime is 40945033. The next prime is 40945039. The reversal of 40945038 is 83054904.

It is a super-2 number, since 2×40945038² = 3352992273642888, which contains 22 as substring.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40945033) 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, 179470 + ... + 179697.

It is an arithmetic number, because the mean of its divisors is an integer number (5387520).

Almost surely, 2^40945038 is an apocalyptic number.

40945038 is an abundant number, since it is smaller than the sum of its proper divisors (45255282).

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

40945038 is a wasteful number, since it uses less digits than its factorization.

40945038 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 359191.

The product of its (nonzero) digits is 17280, while the sum is 33.

The square root of 40945038 is about 6398.8309869850. The cubic root of 40945038 is about 344.6675730906.

The spelling of 40945038 in words is "forty million, nine hundred forty-five thousand, thirty-eight".