400024013021297 has 32 divisors (see below), whose sum is σ = 475351754929920. Its totient is φ = 329362597912320.

The previous prime is 400024013021291. The next prime is 400024013021309. The reversal of 400024013021297 is 792120310420004.

It is not a de Polignac number, because 400024013021297 - 2⁶ = 400024013021233 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (400024013021291) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1289034722 + ... + 1289345012.

It is an arithmetic number, because the mean of its divisors is an integer number (14854742341560).

Almost surely, 2^{400024013021297} is an apocalyptic number.

It is an amenable number.

400024013021297 is a deficient number, since it is larger than the sum of its proper divisors (75327741908623).

400024013021297 is a wasteful number, since it uses less digits than its factorization.

400024013021297 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 342761.

The product of its (nonzero) digits is 24192, while the sum is 35.

The spelling of 400024013021297 in words is "four hundred trillion, twenty-four billion, thirteen million, twenty-one thousand, two hundred ninety-seven".