1332400432 has 40 divisors (see below), whose sum is σ = 2981876112. Its totient is φ = 570009600.

The previous prime is 1332400427. The next prime is 1332400471. The reversal of 1332400432 is 2340042331.

It is a happy number.

It is a super-2 number, since 2×1332400432² = 3550581822387573248, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (22).

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 219669 + ... + 225652.

Almost surely, 2^1332400432 is an apocalyptic number.

It is an amenable number.

1332400432 is an abundant number, since it is smaller than the sum of its proper divisors (1649475680).

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

1332400432 is a wasteful number, since it uses less digits than its factorization.

1332400432 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 445357 (or 445351 counting only the distinct ones).

The product of its (nonzero) digits is 1728, while the sum is 22.

The square root of 1332400432 is about 36502.0606541603. The cubic root of 1332400432 is about 1100.3856587121.

Adding to 1332400432 its reverse (2340042331), we get a palindrome (3672442763).

The spelling of 1332400432 in words is "one billion, three hundred thirty-two million, four hundred thousand, four hundred thirty-two".