40270857 has 12 divisors (see below), whose sum is σ = 59020080. Its totient is φ = 24406360.

The previous prime is 40270849. The next prime is 40270927. The reversal of 40270857 is 75807204.

It is not a de Polignac number, because 40270857 - 2³ = 40270849 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (33).

It is not an unprimeable number, because it can be changed into a prime (40270817) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 55107 + ... + 55832.

It is an arithmetic number, because the mean of its divisors is an integer number (4918340).

Almost surely, 2^40270857 is an apocalyptic number.

It is an amenable number.

40270857 is a deficient number, since it is larger than the sum of its proper divisors (18749223).

40270857 is a wasteful number, since it uses less digits than its factorization.

40270857 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 110964 (or 110953 counting only the distinct ones).

The product of its (nonzero) digits is 15680, while the sum is 33.

The square root of 40270857 is about 6345.9323192105. The cubic root of 40270857 is about 342.7653850932.

The spelling of 40270857 in words is "forty million, two hundred seventy thousand, eight hundred fifty-seven".