40057270 has 64 divisors (see below), whose sum is σ = 86095872. Its totient is φ = 13248000.

The previous prime is 40057231. The next prime is 40057279. The reversal of 40057270 is 7275004.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40057279) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 57625 + ... + 58315.

It is an arithmetic number, because the mean of its divisors is an integer number (1345248).

Almost surely, 2^40057270 is an apocalyptic number.

40057270 is an abundant number, since it is smaller than the sum of its proper divisors (46038602).

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

40057270 is a wasteful number, since it uses less digits than its factorization.

40057270 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 757.

The product of its (nonzero) digits is 1960, while the sum is 25.

The square root of 40057270 is about 6329.0812919412. The cubic root of 40057270 is about 342.1583287059.

The spelling of 40057270 in words is "forty million, fifty-seven thousand, two hundred seventy".