537481980 has 432 divisors, whose sum is σ = 2053056096. Its totient is φ = 117573120.

The previous prime is 537481939. The next prime is 537482039. The reversal of 537481980 is 89184735.

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 143 ways as a sum of consecutive naturals, for example, 8811150 + ... + 8811210.

Almost surely, 2^537481980 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 537481980, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1026528048).

537481980 is an abundant number, since it is smaller than the sum of its proper divisors (1515574116).

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

537481980 is a wasteful number, since it uses less digits than its factorization.

537481980 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 136 (or 115 counting only the distinct ones).

The product of its (nonzero) digits is 241920, while the sum is 45.

The square root of 537481980 is about 23183.6576061673. The cubic root of 537481980 is about 813.0575795605.

The spelling of 537481980 in words is "five hundred thirty-seven million, four hundred eighty-one thousand, nine hundred eighty".