40004021051522 has 8 divisors (see below), whose sum is σ = 65461125357072. Its totient is φ = 18183645932500.

The previous prime is 40004021051503. The next prime is 40004021051543. The reversal of 40004021051522 is 22515012040004.

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

It is a junction number, because it is equal to n+sod(n) for n = 40004021051491 and 40004021051500.

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, 909182296604 + ... + 909182296647.

It is an arithmetic number, because the mean of its divisors is an integer number (8182640669634).

Almost surely, 2^{40004021051522} is an apocalyptic number.

40004021051522 is a deficient number, since it is larger than the sum of its proper divisors (25457104305550).

40004021051522 is a wasteful number, since it uses less digits than its factorization.

40004021051522 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1818364593264.

The product of its (nonzero) digits is 3200, while the sum is 26.

Adding to 40004021051522 its reverse (22515012040004), we get a palindrome (62519033091526).

The spelling of 40004021051522 in words is "forty trillion, four billion, twenty-one million, fifty-one thousand, five hundred twenty-two".