400000550403152 has 20 divisors (see below), whose sum is σ = 800001100807296. Its totient is φ = 193548653420640.

The previous prime is 400000550403149. The next prime is 400000550403277. The reversal of 400000550403152 is 251304055000004.

400000550403152 is an admirable number.

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, 403226360798 + ... + 403226361789.

Almost surely, 2^{400000550403152} is an apocalyptic number.

It is an amenable number.

400000550403152 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

400000550403152 is a wasteful number, since it uses less digits than its factorization.

400000550403152 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 806452722626 (or 806452722620 counting only the distinct ones).

The product of its (nonzero) digits is 12000, while the sum is 29.

The spelling of 400000550403152 in words is "four hundred trillion, five hundred fifty million, four hundred three thousand, one hundred fifty-two".