40478862 has 16 divisors (see below), whose sum is σ = 81033552. Its totient is φ = 13480320.

The previous prime is 40478831. The next prime is 40478899. The reversal of 40478862 is 26887404.

It is a self number, because there is not a number n which added to its sum of digits gives 40478862.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5688 + ... + 10644.

It is an arithmetic number, because the mean of its divisors is an integer number (5064597).

Almost surely, 2^40478862 is an apocalyptic number.

40478862 is an abundant number, since it is smaller than the sum of its proper divisors (40554690).

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

40478862 is a wasteful number, since it uses less digits than its factorization.

40478862 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6323.

The product of its (nonzero) digits is 86016, while the sum is 39.

The square root of 40478862 is about 6362.3000557974. The cubic root of 40478862 is about 343.3545167646.

The spelling of 40478862 in words is "forty million, four hundred seventy-eight thousand, eight hundred sixty-two".