40478002 has 8 divisors (see below), whose sum is σ = 62675712. Its totient is φ = 19586100.

The previous prime is 40477981. The next prime is 40478027. The reversal of 40478002 is 20087404.

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

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 326374 + ... + 326497.

It is an arithmetic number, because the mean of its divisors is an integer number (7834464).

Almost surely, 2^40478002 is an apocalyptic number.

40478002 is a deficient number, since it is larger than the sum of its proper divisors (22197710).

40478002 is a wasteful number, since it uses less digits than its factorization.

40478002 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 652904.

The product of its (nonzero) digits is 1792, while the sum is 25.

The square root of 40478002 is about 6362.2324698175. The cubic root of 40478002 is about 343.3520851500.

The spelling of 40478002 in words is "forty million, four hundred seventy-eight thousand, two".