1572400424 has 32 divisors (see below), whose sum is σ = 3399261120. Its totient is φ = 667919616.

The previous prime is 1572400399. The next prime is 1572400439. The reversal of 1572400424 is 4240042751.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 117914 + ... + 130569.

It is an arithmetic number, because the mean of its divisors is an integer number (106226910).

Almost surely, 2^1572400424 is an apocalyptic number.

1572400424 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is an amenable number.

1572400424 is an abundant number, since it is smaller than the sum of its proper divisors (1826860696).

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

1572400424 is a wasteful number, since it uses less digits than its factorization.

1572400424 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 248609 (or 248605 counting only the distinct ones).

The product of its (nonzero) digits is 8960, while the sum is 29.

The square root of 1572400424 is about 39653.5045613878. The cubic root of 1572400424 is about 1162.8429139682.

The spelling of 1572400424 in words is "one billion, five hundred seventy-two million, four hundred thousand, four hundred twenty-four".