3634157312 has 72 divisors (see below), whose sum is σ = 7437674496. Its totient is φ = 1771416576.

The previous prime is 3634157299. The next prime is 3634157339. The reversal of 3634157312 is 2137514363.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4415333 + ... + 4416155.

Almost surely, 2^3634157312 is an apocalyptic number.

3634157312 is a gapful number since it is divisible by the number (32) 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 3634157312, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3718837248).

3634157312 is an abundant number, since it is smaller than the sum of its proper divisors (3803517184).

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

3634157312 is an equidigital number, since it uses as much as digits as its factorization.

3634157312 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1253 (or 1239 counting only the distinct ones).

The product of its digits is 45360, while the sum is 35.

The square root of 3634157312 is about 60283.9722646078. The cubic root of 3634157312 is about 1537.4508499237.

The spelling of 3634157312 in words is "three billion, six hundred thirty-four million, one hundred fifty-seven thousand, three hundred twelve".