400373377704 has 24 divisors (see below), whose sum is σ = 1084344564810. Its totient is φ = 133457792544.

The previous prime is 400373377697. The next prime is 400373377709. The reversal of 400373377704 is 407773373004.

It can be written as a sum of positive squares in only one way, i.e., 388141460100 + 12231917604 = 623010^2 + 110598^2 .

It is a tau number, because it is divible by the number of its divisors (24).

It is a self number, because there is not a number n which added to its sum of digits gives 400373377704.

It is not an unprimeable number, because it can be changed into a prime (400373377709) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 2780370607 + ... + 2780370750.

Almost surely, 2^400373377704 is an apocalyptic number.

It is an amenable number.

400373377704 is an abundant number, since it is smaller than the sum of its proper divisors (683971187106).

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

400373377704 is a wasteful number, since it uses less digits than its factorization.

400373377704 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5560741369 (or 5560741362 counting only the distinct ones).

The product of its (nonzero) digits is 1037232, while the sum is 45.

The spelling of 400373377704 in words is "four hundred billion, three hundred seventy-three million, three hundred seventy-seven thousand, seven hundred four".