5126574640 has 40 divisors (see below), whose sum is σ = 13002859728. Its totient is φ = 1864208640.

The previous prime is 5126574637. The next prime is 5126574647. The reversal of 5126574640 is 464756215.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (40).

It is a super-2 number, since 2×5126574640² = 52563535078982259200, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (40).

It is a junction number, because it is equal to n+sod(n) for n = 5126574593 and 5126574602.

It is not an unprimeable number, because it can be changed into a prime (5126574647) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2911947 + ... + 2913706.

Almost surely, 2^5126574640 is an apocalyptic number.

It is an amenable number.

5126574640 is an abundant number, since it is smaller than the sum of its proper divisors (7876285088).

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

5126574640 is a wasteful number, since it uses less digits than its factorization.

5126574640 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5825677 (or 5825671 counting only the distinct ones).

The product of its (nonzero) digits is 201600, while the sum is 40.

The square root of 5126574640 is about 71600.1022345639. The cubic root of 5126574640 is about 1724.2851777460.

The spelling of 5126574640 in words is "five billion, one hundred twenty-six million, five hundred seventy-four thousand, six hundred forty".