5051036640 has 96 divisors (see below), whose sum is σ = 17134691616. Its totient is φ = 1243330560.

The previous prime is 5051036621. The next prime is 5051036681. The reversal of 5051036640 is 466301505.

It is a tau number, because it is divible by the number of its divisors (96).

It is a super-2 number, since 2×5051036640² = 51025942277244979200, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a junction number, because it is equal to n+sod(n) for n = 5051036598 and 5051036607.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 398491 + ... + 410970.

It is an arithmetic number, because the mean of its divisors is an integer number (178486371).

Almost surely, 2^5051036640 is an apocalyptic number.

It is an amenable number.

5051036640 is an abundant number, since it is smaller than the sum of its proper divisors (12083654976).

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

5051036640 is a wasteful number, since it uses less digits than its factorization.

5051036640 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 809492 (or 809484 counting only the distinct ones).

The product of its (nonzero) digits is 10800, while the sum is 30.

The square root of 5051036640 is about 71070.6454170778. The cubic root of 5051036640 is about 1715.7743575598.

The spelling of 5051036640 in words is "five billion, fifty-one million, thirty-six thousand, six hundred forty".