40407633478 has 8 divisors (see below), whose sum is σ = 60629700168. Its totient is φ = 20197733424.

The previous prime is 40407633439. The next prime is 40407633493. The reversal of 40407633478 is 87433670404.

40407633478 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is a congruent number.

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, 3033351 + ... + 3046642.

It is an arithmetic number, because the mean of its divisors is an integer number (7578712521).

Almost surely, 2^40407633478 is an apocalyptic number.

40407633478 is a deficient number, since it is larger than the sum of its proper divisors (20222066690).

40407633478 is a wasteful number, since it uses less digits than its factorization.

40407633478 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6083318.

The product of its (nonzero) digits is 1354752, while the sum is 46.

The spelling of 40407633478 in words is "forty billion, four hundred seven million, six hundred thirty-three thousand, four hundred seventy-eight".