40254870 has 32 divisors (see below), whose sum is σ = 97977600. Its totient is φ = 10582880.

The previous prime is 40254869. The next prime is 40254881. The reversal of 40254870 is 7845204.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 7320 + ... + 11579.

It is an arithmetic number, because the mean of its divisors is an integer number (3061800).

Almost surely, 2^40254870 is an apocalyptic number.

40254870 is an abundant number, since it is smaller than the sum of its proper divisors (57722730).

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

40254870 is a wasteful number, since it uses less digits than its factorization.

40254870 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18980.

The product of its (nonzero) digits is 8960, while the sum is 30.

The square root of 40254870 is about 6344.6725683837. The cubic root of 40254870 is about 342.7200213081.

The spelling of 40254870 in words is "forty million, two hundred fifty-four thousand, eight hundred seventy".