1487153720400 has 120 divisors (see below), whose sum is σ = 4765065206784. Its totient is φ = 396473088000.

The previous prime is 1487153720347. The next prime is 1487153720411. The reversal of 1487153720400 is 40273517841.

It is a tau number, because it is divible by the number of its divisors (120).

It is a super-2 number, since 2×1487153720400² (a number of 25 digits) contains 22 as substring.

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, 4604200 + ... + 4916600.

Almost surely, 2^{1487153720400} is an apocalyptic number.

1487153720400 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1487153720400 is an abundant number, since it is smaller than the sum of its proper divisors (3277911486384).

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

1487153720400 is a wasteful number, since it uses less digits than its factorization.

1487153720400 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 316389 (or 316378 counting only the distinct ones).

The product of its (nonzero) digits is 188160, while the sum is 42.

The spelling of 1487153720400 in words is "one trillion, four hundred eighty-seven billion, one hundred fifty-three million, seven hundred twenty thousand, four hundred".