1539980370 has 32 divisors (see below), whose sum is σ = 4106615040. Its totient is φ = 410661360.

The previous prime is 1539980363. The next prime is 1539980383. The reversal of 1539980370 is 730899351.

It is a happy number.

1539980370 is a `hidden beast` number, since 1 + 539 + 9 + 80 + 37 + 0 = 666.

1539980370 is digitally balanced in base 4, because in such base it contains all the possibile digits an equal number of times.

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

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2851546 + ... + 2852085.

It is an arithmetic number, because the mean of its divisors is an integer number (128331720).

Almost surely, 2^1539980370 is an apocalyptic number.

1539980370 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1539980370 is an abundant number, since it is smaller than the sum of its proper divisors (2566634670).

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

1539980370 is a wasteful number, since it uses less digits than its factorization.

1539980370 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5703647 (or 5703641 counting only the distinct ones).

The product of its (nonzero) digits is 204120, while the sum is 45.

The square root of 1539980370 is about 39242.5836305409. The cubic root of 1539980370 is about 1154.7954436190.

The spelling of 1539980370 in words is "one billion, five hundred thirty-nine million, nine hundred eighty thousand, three hundred seventy".