61441650240 has 112 divisors (see below), whose sum is σ = 206552426112. Its totient is φ = 15420645376.

The previous prime is 61441650229. The next prime is 61441650253. The reversal of 61441650240 is 4205614416.

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, 1866084 + ... + 1898723.

Almost surely, 2^61441650240 is an apocalyptic number.

61441650240 is a gapful number since it is divisible by the number (60) formed by its first and last digit.

It is an amenable number.

61441650240 is an abundant number, since it is smaller than the sum of its proper divisors (145110775872).

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

61441650240 is a wasteful number, since it uses less digits than its factorization.

61441650240 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3764844 (or 3764834 counting only the distinct ones).

The product of its (nonzero) digits is 23040, while the sum is 33.

The spelling of 61441650240 in words is "sixty-one billion, four hundred forty-one million, six hundred fifty thousand, two hundred forty".