1537484940 has 72 divisors (see below), whose sum is σ = 4909173360. Its totient is φ = 388416384.

The previous prime is 1537484929. The next prime is 1537484941. The reversal of 1537484940 is 494847351.

1537484940 is a `hidden beast` number, since 153 + 7 + 4 + 8 + 494 + 0 = 666.

1537484940 is digitally balanced in base 6, 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 not an unprimeable number, because it can be changed into a prime (1537484941) 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 23 ways as a sum of consecutive naturals, for example, 221359 + ... + 228198.

Almost surely, 2^1537484940 is an apocalyptic number.

1537484940 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1537484940 is an abundant number, since it is smaller than the sum of its proper divisors (3371688420).

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

1537484940 is a wasteful number, since it uses less digits than its factorization.

1537484940 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 449591 (or 449586 counting only the distinct ones).

The product of its (nonzero) digits is 483840, while the sum is 45.

The square root of 1537484940 is about 39210.7758148191. The cubic root of 1537484940 is about 1154.1713514358.

The spelling of 1537484940 in words is "one billion, five hundred thirty-seven million, four hundred eighty-four thousand, nine hundred forty".