613501932240 has 60 divisors (see below), whose sum is σ = 2060343991524. Its totient is φ = 163600515072.

The previous prime is 613501932221. The next prime is 613501932293. The reversal of 613501932240 is 42239105316.

613501932240 is a `hidden beast` number, since 6 + 1 + 3 + 501 + 93 + 22 + 40 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 467232399936 + 146269532304 = 683544^2 + 382452^2 .

It is a tau number, because it is divible by the number of its divisors (60).

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a junction number, because it is equal to n+sod(n) for n = 613501932195 and 613501932204.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 426042289 + ... + 426043728.

Almost surely, 2^613501932240 is an apocalyptic number.

613501932240 is a gapful number since it is divisible by the number (60) formed by its first and last digit.

It is an amenable number.

613501932240 is an abundant number, since it is smaller than the sum of its proper divisors (1446842059284).

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

613501932240 is a wasteful number, since it uses less digits than its factorization.

613501932240 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 852086036 (or 852086027 counting only the distinct ones).

The product of its (nonzero) digits is 38880, while the sum is 36.

The spelling of 613501932240 in words is "six hundred thirteen billion, five hundred one million, nine hundred thirty-two thousand, two hundred forty".