3646626452 has 96 divisors (see below), whose sum is σ = 7969920000. Its totient is φ = 1454876640.

The previous prime is 3646626449. The next prime is 3646626461. The reversal of 3646626452 is 2546266463.

3646626452 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×3646626452² = 26595768960852216608, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1536827 + ... + 1539197.

It is an arithmetic number, because the mean of its divisors is an integer number (83020000).

Almost surely, 2^3646626452 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 3646626452, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3984960000).

3646626452 is an abundant number, since it is smaller than the sum of its proper divisors (4323293548).

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

3646626452 is a wasteful number, since it uses less digits than its factorization.

3646626452 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2474 (or 2458 counting only the distinct ones).

The product of its digits is 1244160, while the sum is 44.

The square root of 3646626452 is about 60387.3037318276. The cubic root of 3646626452 is about 1539.2072228100.

The spelling of 3646626452 in words is "three billion, six hundred forty-six million, six hundred twenty-six thousand, four hundred fifty-two".