3155646602340 has 144 divisors (see below), whose sum is σ = 9804128093760. Its totient is φ = 821340622080.

The previous prime is 3155646602327. The next prime is 3155646602357. The reversal of 3155646602340 is 432066465513.

3155646602340 is a `hidden beast` number, since 3 + 1 + 5 + 5 + 6 + 4 + 6 + 602 + 34 + 0 = 666.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 114255 + ... + 2514825.

Almost surely, 2^{3155646602340} is an apocalyptic number.

3155646602340 is a gapful number since it is divisible by the number (30) 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 3155646602340, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (4902064046880).

3155646602340 is an abundant number, since it is smaller than the sum of its proper divisors (6648481491420).

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

3155646602340 is a wasteful number, since it uses less digits than its factorization.

3155646602340 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2400762 (or 2400757 counting only the distinct ones).

The product of its (nonzero) digits is 1555200, while the sum is 45.

The spelling of 3155646602340 in words is "three trillion, one hundred fifty-five billion, six hundred forty-six million, six hundred two thousand, three hundred forty".