40627957 has 8 divisors (see below), whose sum is σ = 41169240. Its totient is φ = 40089600.

The previous prime is 40627921. The next prime is 40627963. The reversal of 40627957 is 75972604.

It can be written as a sum of positive squares in 4 ways, for example, as 799236 + 39828721 = 894^2 + 6311^2 .

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

It is a cyclic number.

It is not a de Polignac number, because 40627957 - 2¹⁵ = 40595189 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40627967) 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, 43269 + ... + 44197.

It is an arithmetic number, because the mean of its divisors is an integer number (5146155).

Almost surely, 2^40627957 is an apocalyptic number.

It is an amenable number.

40627957 is a deficient number, since it is larger than the sum of its proper divisors (541283).

40627957 is a wasteful number, since it uses less digits than its factorization.

40627957 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1463.

The product of its (nonzero) digits is 105840, while the sum is 40.

The square root of 40627957 is about 6374.0063539347. The cubic root of 40627957 is about 343.7755572403.

The spelling of 40627957 in words is "forty million, six hundred twenty-seven thousand, nine hundred fifty-seven".