400034001400 has 48 divisors (see below), whose sum is σ = 1014631700040. Its totient is φ = 145466908800.

The previous prime is 400034001397. The next prime is 400034001427. The reversal of 400034001400 is 4100430004.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 90914619 + ... + 90919018.

Almost surely, 2^400034001400 is an apocalyptic number.

400034001400 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

400034001400 is an abundant number, since it is smaller than the sum of its proper divisors (614597698640).

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

400034001400 is a wasteful number, since it uses less digits than its factorization.

400034001400 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 181833664 (or 181833655 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 16.

Adding to 400034001400 its reverse (4100430004), we get a palindrome (404134431404).

The spelling of 400034001400 in words is "four hundred billion, thirty-four million, one thousand, four hundred".