5621157040 has 20 divisors (see below), whose sum is σ = 13069190304. Its totient is φ = 2248462784.

The previous prime is 5621157019. The next prime is 5621157043. The reversal of 5621157040 is 407511265.

It is a tau number, because it is divible by the number of its divisors (20).

It is a junction number, because it is equal to n+sod(n) for n = 5621156993 and 5621157011.

It is not an unprimeable number, because it can be changed into a prime (5621157043) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 35132152 + ... + 35132311.

Almost surely, 2^5621157040 is an apocalyptic number.

It is an amenable number.

5621157040 is an abundant number, since it is smaller than the sum of its proper divisors (7448033264).

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

5621157040 is a wasteful number, since it uses less digits than its factorization.

5621157040 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 70264476 (or 70264470 counting only the distinct ones).

The product of its (nonzero) digits is 8400, while the sum is 31.

The square root of 5621157040 is about 74974.3758893664. The cubic root of 5621157040 is about 1778.0415526086.

The spelling of 5621157040 in words is "five billion, six hundred twenty-one million, one hundred fifty-seven thousand, forty".