400344303102 has 32 divisors (see below), whose sum is σ = 816849906432. Its totient is φ = 130775192064.

The previous prime is 400344303091. The next prime is 400344303193. The reversal of 400344303102 is 201303443004.

It is a super-2 number, since 2×400344303102² (a number of 24 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2502418 + ... + 2657589.

It is an arithmetic number, because the mean of its divisors is an integer number (25526559576).

Almost surely, 2^400344303102 is an apocalyptic number.

400344303102 is an abundant number, since it is smaller than the sum of its proper divisors (416505603330).

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

400344303102 is a wasteful number, since it uses less digits than its factorization.

400344303102 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5160272.

The product of its (nonzero) digits is 3456, while the sum is 24.

Adding to 400344303102 its reverse (201303443004), we get a palindrome (601647746106).

The spelling of 400344303102 in words is "four hundred billion, three hundred forty-four million, three hundred three thousand, one hundred two".