7272440880 has 80 divisors (see below), whose sum is σ = 23870731104. Its totient is φ = 1825239040.

The previous prime is 7272440843. The next prime is 7272440957. The reversal of 7272440880 is 880442727.

It is a tau number, because it is divible by the number of its divisors (80).

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, 887151 + ... + 895310.

Almost surely, 2^7272440880 is an apocalyptic number.

It is an amenable number.

7272440880 is an abundant number, since it is smaller than the sum of its proper divisors (16598290224).

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

7272440880 is a wasteful number, since it uses less digits than its factorization.

7272440880 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1782494 (or 1782488 counting only the distinct ones).

The product of its (nonzero) digits is 200704, while the sum is 42.

The square root of 7272440880 is about 85278.6073995114. The cubic root of 7272440880 is about 1937.4331802415.

The spelling of 7272440880 in words is "seven billion, two hundred seventy-two million, four hundred forty thousand, eight hundred eighty".