1572440480640 has 192 divisors, whose sum is σ = 5630939037360. Its totient is φ = 419317420032.

The previous prime is 1572440480581. The next prime is 1572440480669. The reversal of 1572440480640 is 460840442751.

1572440480640 is a `hidden beast` number, since 1 + 5 + 72 + 4 + 40 + 480 + 64 + 0 = 666.

It is a tau number, because it is divible by the number of its divisors (192).

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 4899909 + ... + 5210948.

Almost surely, 2^{1572440480640} is an apocalyptic number.

1572440480640 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1572440480640 is an abundant number, since it is smaller than the sum of its proper divisors (4058498556720).

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

1572440480640 is an equidigital number, since it uses as much as digits as its factorization.

1572440480640 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10110891 (or 10110867 counting only the distinct ones).

The product of its (nonzero) digits is 860160, while the sum is 45.

The spelling of 1572440480640 in words is "one trillion, five hundred seventy-two billion, four hundred forty million, four hundred eighty thousand, six hundred forty".