401777696004 has 24 divisors (see below), whose sum is σ = 940940638848. Its totient is φ = 133431706080.

The previous prime is 401777695993. The next prime is 401777696011. The reversal of 401777696004 is 400696777104.

It is a super-2 number, since 2×401777696004² (a number of 24 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 61770687 + ... + 61777190.

It is an arithmetic number, because the mean of its divisors is an integer number (39205859952).

Almost surely, 2^401777696004 is an apocalyptic number.

It is an amenable number.

401777696004 is an abundant number, since it is smaller than the sum of its proper divisors (539162942844).

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

401777696004 is a wasteful number, since it uses less digits than its factorization.

401777696004 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 123548155 (or 123548153 counting only the distinct ones).

The product of its (nonzero) digits is 1778112, while the sum is 51.

The spelling of 401777696004 in words is "four hundred one billion, seven hundred seventy-seven million, six hundred ninety-six thousand, four".