45972487280 has 20 divisors (see below), whose sum is σ = 106886033112. Its totient is φ = 18388994880.

The previous prime is 45972487277. The next prime is 45972487349. The reversal of 45972487280 is 8278427954.

It is a tau number, because it is divible by the number of its divisors (20).

It is a super-2 number, since 2×45972487280² (a number of 22 digits) contains 22 as substring.

It is a Smith number, since the sum of its digits (56) coincides with the sum of the digits of its prime factors.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 287327966 + ... + 287328125.

Almost surely, 2^45972487280 is an apocalyptic number.

45972487280 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

45972487280 is an abundant number, since it is smaller than the sum of its proper divisors (60913545832).

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

45972487280 is a wasteful number, since it uses less digits than its factorization.

45972487280 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 574656104 (or 574656098 counting only the distinct ones).

The product of its (nonzero) digits is 9031680, while the sum is 56.

The spelling of 45972487280 in words is "forty-five billion, nine hundred seventy-two million, four hundred eighty-seven thousand, two hundred eighty".