400740007374 has 48 divisors (see below), whose sum is σ = 992378106720. Its totient is φ = 114489123840.

The previous prime is 400740007357. The next prime is 400740007379. The reversal of 400740007374 is 473700047004.

It is a super-2 number, since 2×400740007374² (a number of 24 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (400740007379) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1827714 + ... + 2035194.

It is an arithmetic number, because the mean of its divisors is an integer number (20674543890).

Almost surely, 2^400740007374 is an apocalyptic number.

400740007374 is an abundant number, since it is smaller than the sum of its proper divisors (591638099346).

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

400740007374 is a wasteful number, since it uses less digits than its factorization.

400740007374 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 222825 (or 222822 counting only the distinct ones).

The product of its (nonzero) digits is 65856, while the sum is 36.

The spelling of 400740007374 in words is "four hundred billion, seven hundred forty million, seven thousand, three hundred seventy-four".