40625478 has 24 divisors (see below), whose sum is σ = 93200328. Its totient is φ = 12745152.

The previous prime is 40625467. The next prime is 40625479. The reversal of 40625478 is 87452604.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40625479) 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, 66076 + ... + 66687.

It is an arithmetic number, because the mean of its divisors is an integer number (3883347).

Almost surely, 2^40625478 is an apocalyptic number.

40625478 is an abundant number, since it is smaller than the sum of its proper divisors (52574850).

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

40625478 is a wasteful number, since it uses less digits than its factorization.

40625478 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 132788 (or 132785 counting only the distinct ones).

The product of its (nonzero) digits is 53760, while the sum is 36.

The square root of 40625478 is about 6373.8118892857. The cubic root of 40625478 is about 343.7685650359.

The spelling of 40625478 in words is "forty million, six hundred twenty-five thousand, four hundred seventy-eight".