4050256644 has 72 divisors (see below), whose sum is σ = 11712821120. Its totient is φ = 1156021632.

The previous prime is 4050256607. The next prime is 4050256649. The reversal of 4050256644 is 4466520504.

4050256644 is a `hidden beast` number, since 4 + 0 + 5 + 0 + 2 + 5 + 6 + 644 = 666.

It is a super-2 number, since 2×4050256644² = 32809157764532285472, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a junction number, because it is equal to n+sod(n) for n = 4050256599 and 4050256608.

It is not an unprimeable number, because it can be changed into a prime (4050256649) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 252537 + ... + 268095.

Almost surely, 2^4050256644 is an apocalyptic number.

It is an amenable number.

4050256644 is an abundant number, since it is smaller than the sum of its proper divisors (7662564476).

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

4050256644 is a wasteful number, since it uses less digits than its factorization.

4050256644 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16609 (or 16604 counting only the distinct ones).

The product of its (nonzero) digits is 115200, while the sum is 36.

The square root of 4050256644 is about 63641.6266605435. The cubic root of 4050256644 is about 1594.0215228091.

The spelling of 4050256644 in words is "four billion, fifty million, two hundred fifty-six thousand, six hundred forty-four".