43400451332 has 48 divisors (see below), whose sum is σ = 87931533312. Its totient is φ = 18358350240.

The previous prime is 43400451317. The next prime is 43400451343. The reversal of 43400451332 is 23315400434.

It is a junction number, because it is equal to n+sod(n) for n = 43400451295 and 43400451304.

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, 2554907 + ... + 2571837.

It is an arithmetic number, because the mean of its divisors is an integer number (1831906944).

Almost surely, 2^43400451332 is an apocalyptic number.

It is an amenable number.

43400451332 is an abundant number, since it is smaller than the sum of its proper divisors (44531081980).

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

43400451332 is a wasteful number, since it uses less digits than its factorization.

43400451332 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18128 (or 18126 counting only the distinct ones).

The product of its (nonzero) digits is 17280, while the sum is 29.

Adding to 43400451332 its reverse (23315400434), we get a palindrome (66715851766).

The spelling of 43400451332 in words is "forty-three billion, four hundred million, four hundred fifty-one thousand, three hundred thirty-two".