45031361280 has 144 divisors (see below), whose sum is σ = 147164075520. Its totient is φ = 11729055744.

The previous prime is 45031361227. The next prime is 45031361311. The reversal of 45031361280 is 8216313054.

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, 28761 + ... + 301479.

Almost surely, 2^45031361280 is an apocalyptic number.

45031361280 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 45031361280, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (73582037760).

45031361280 is an abundant number, since it is smaller than the sum of its proper divisors (102132714240).

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

45031361280 is a wasteful number, since it uses less digits than its factorization.

45031361280 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 272786 (or 272772 counting only the distinct ones).

The product of its (nonzero) digits is 17280, while the sum is 33.

The spelling of 45031361280 in words is "forty-five billion, thirty-one million, three hundred sixty-one thousand, two hundred eighty".