613474745040 has 60 divisors (see below), whose sum is σ = 2060252687844. Its totient is φ = 163593265152.

The previous prime is 613474745027. The next prime is 613474745041. The reversal of 613474745040 is 40547474316.

613474745040 is a `hidden beast` number, since 6 + 1 + 3 + 4 + 74 + 74 + 504 + 0 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 103627335744 + 509847409296 = 321912^2 + 714036^2 .

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 (45).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (613474745041) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 426023409 + ... + 426024848.

Almost surely, 2^613474745040 is an apocalyptic number.

613474745040 is a gapful number since it is divisible by the number (60) formed by its first and last digit.

It is an amenable number.

613474745040 is an abundant number, since it is smaller than the sum of its proper divisors (1446777942804).

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

613474745040 is a wasteful number, since it uses less digits than its factorization.

613474745040 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 852048276 (or 852048267 counting only the distinct ones).

The product of its (nonzero) digits is 1128960, while the sum is 45.

The spelling of 613474745040 in words is "six hundred thirteen billion, four hundred seventy-four million, seven hundred forty-five thousand, forty".