400037400734 has 16 divisors (see below), whose sum is σ = 616910754096. Its totient is φ = 194435707200.

The previous prime is 400037400713. The next prime is 400037400739. The reversal of 400037400734 is 437004730004.

It is a self number, because there is not a number n which added to its sum of digits gives 400037400734.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (400037400739) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 8783252 + ... + 8828679.

It is an arithmetic number, because the mean of its divisors is an integer number (38556922131).

Almost surely, 2^400037400734 is an apocalyptic number.

400037400734 is a deficient number, since it is larger than the sum of its proper divisors (216873353362).

400037400734 is a wasteful number, since it uses less digits than its factorization.

400037400734 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17612251.

The product of its (nonzero) digits is 28224, while the sum is 32.

The spelling of 400037400734 in words is "four hundred billion, thirty-seven million, four hundred thousand, seven hundred thirty-four".