3671622440 has 32 divisors (see below), whose sum is σ = 8265208680. Its totient is φ = 1467927552.

The previous prime is 3671622439. The next prime is 3671622463. The reversal of 3671622440 is 442261763.

It can be written as a sum of positive squares in 4 ways, for example, as 998939236 + 2672683204 = 31606^2 + 51698^2 .

It is a super-2 number, since 2×3671622440² = 26961622683823107200, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 3671622440.

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, 64004 + ... + 106956.

Almost surely, 2^3671622440 is an apocalyptic number.

It is an amenable number.

3671622440 is an abundant number, since it is smaller than the sum of its proper divisors (4593586240).

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

3671622440 is a wasteful number, since it uses less digits than its factorization.

3671622440 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 45101 (or 45097 counting only the distinct ones).

The product of its (nonzero) digits is 48384, while the sum is 35.

The square root of 3671622440 is about 60593.9142158682. The cubic root of 3671622440 is about 1542.7160760533.

The spelling of 3671622440 in words is "three billion, six hundred seventy-one million, six hundred twenty-two thousand, four hundred forty".