400274073100 has 72 divisors (see below), whose sum is σ = 951055128576. Its totient is φ = 145017000000.

The previous prime is 400274073091. The next prime is 400274073151. The reversal of 400274073100 is 1370472004.

It is a super-2 number, since 2×400274073100² (a number of 24 digits) contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 373276 + ... + 969475.

It is an arithmetic number, because the mean of its divisors is an integer number (13209099008).

Almost surely, 2^400274073100 is an apocalyptic number.

It is an amenable number.

400274073100 is an abundant number, since it is smaller than the sum of its proper divisors (550781055476).

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

400274073100 is a wasteful number, since it uses less digits than its factorization.

400274073100 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1343047 (or 1343040 counting only the distinct ones).

The product of its (nonzero) digits is 4704, while the sum is 28.

The spelling of 400274073100 in words is "four hundred billion, two hundred seventy-four million, seventy-three thousand, one hundred".