3512472656 has 80 divisors (see below), whose sum is σ = 8537215488. Its totient is φ = 1360022400.

The previous prime is 3512472643. The next prime is 3512472679. The reversal of 3512472656 is 6562742153.

It is a congruent number.

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, 192071 + ... + 209561.

Almost surely, 2^3512472656 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 3512472656, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (4268607744).

3512472656 is an abundant number, since it is smaller than the sum of its proper divisors (5024742832).

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

3512472656 is a wasteful number, since it uses less digits than its factorization.

3512472656 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17680 (or 17674 counting only the distinct ones).

The product of its digits is 302400, while the sum is 41.

The square root of 3512472656 is about 59266.1172677948. The cubic root of 3512472656 is about 1520.0958873027.

The spelling of 3512472656 in words is "three billion, five hundred twelve million, four hundred seventy-two thousand, six hundred fifty-six".