3553801644 has 12 divisors (see below), whose sum is σ = 8292203864. Its totient is φ = 1184600544.

The previous prime is 3553801627. The next prime is 3553801663. The reversal of 3553801644 is 4461083553.

It is a tau number, because it is divible by the number of its divisors (12).

It is a super-2 number, since 2×3553801644² = 25259012249794205472, which contains 22 as substring.

It is a hoax number, since the sum of its digits (39) coincides with the sum of the digits of its distinct prime factors.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 148075057 + ... + 148075080.

Almost surely, 2^3553801644 is an apocalyptic number.

It is an amenable number.

3553801644 is an abundant number, since it is smaller than the sum of its proper divisors (4738402220).

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

3553801644 is a wasteful number, since it uses less digits than its factorization.

3553801644 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 296150144 (or 296150142 counting only the distinct ones).

The product of its (nonzero) digits is 172800, while the sum is 39.

The square root of 3553801644 is about 59613.7705903594. The cubic root of 3553801644 is about 1526.0346495181.

The spelling of 3553801644 in words is "three billion, five hundred fifty-three million, eight hundred one thousand, six hundred forty-four".