400734037407 has 64 divisors (see below), whose sum is σ = 608072002560. Its totient is φ = 232524364800.

The previous prime is 400734037399. The next prime is 400734037421. The reversal of 400734037407 is 704730437004.

It is not a de Polignac number, because 400734037407 - 2³ = 400734037399 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (400734037447) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 59006182 + ... + 59012972.

It is an arithmetic number, because the mean of its divisors is an integer number (9501125040).

Almost surely, 2^400734037407 is an apocalyptic number.

400734037407 is a deficient number, since it is larger than the sum of its proper divisors (207337965153).

400734037407 is a wasteful number, since it uses less digits than its factorization.

400734037407 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7344.

The product of its (nonzero) digits is 197568, while the sum is 39.

The spelling of 400734037407 in words is "four hundred billion, seven hundred thirty-four million, thirty-seven thousand, four hundred seven".