1432390540 has 36 divisors (see below), whose sum is σ = 3499127856. Its totient is φ = 491104992.

The previous prime is 1432390537. The next prime is 1432390541. The reversal of 1432390540 is 450932341.

It is not an unprimeable number, because it can be changed into a prime (1432390541) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 729832 + ... + 731791.

It is an arithmetic number, because the mean of its divisors is an integer number (97197996).

Almost surely, 2^1432390540 is an apocalyptic number.

1432390540 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1432390540 is an abundant number, since it is smaller than the sum of its proper divisors (2066737316).

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

1432390540 is a wasteful number, since it uses less digits than its factorization.

1432390540 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1461646 (or 1461637 counting only the distinct ones).

The product of its (nonzero) digits is 12960, while the sum is 31.

The square root of 1432390540 is about 37846.9356751640. The cubic root of 1432390540 is about 1127.2506161786.

The spelling of 1432390540 in words is "one billion, four hundred thirty-two million, three hundred ninety thousand, five hundred forty".