40376278478 has 8 divisors (see below), whose sum is σ = 60568795872. Its totient is φ = 20186679856.

The previous prime is 40376278463. The next prime is 40376278513. The reversal of 40376278478 is 87487267304.

It is a happy number.

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, 694775 + ... + 750642.

It is an arithmetic number, because the mean of its divisors is an integer number (7571099484).

Almost surely, 2^40376278478 is an apocalyptic number.

40376278478 is a deficient number, since it is larger than the sum of its proper divisors (20192517394).

40376278478 is a wasteful number, since it uses less digits than its factorization.

40376278478 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1459386.

The product of its (nonzero) digits is 12644352, while the sum is 56.

The spelling of 40376278478 in words is "forty billion, three hundred seventy-six million, two hundred seventy-eight thousand, four hundred seventy-eight".