40718402 has 8 divisors (see below), whose sum is σ = 61105212. Its totient is φ = 20350000.

The previous prime is 40718401. The next prime is 40718413. The reversal of 40718402 is 20481704.

It can be written as a sum of positive squares in 2 ways, for example, as 37687321 + 3031081 = 6139^2 + 1741^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-2 number, since 2×40718402² = 3315976522867208, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (40718401) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4652 + ... + 10152.

Almost surely, 2^40718402 is an apocalyptic number.

40718402 is a deficient number, since it is larger than the sum of its proper divisors (20386810).

40718402 is a wasteful number, since it uses less digits than its factorization.

40718402 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9204.

The product of its (nonzero) digits is 1792, while the sum is 26.

The square root of 40718402 is about 6381.0972410707. The cubic root of 40718402 is about 344.0304698538.

The spelling of 40718402 in words is "forty million, seven hundred eighteen thousand, four hundred two".