5621210740 has 24 divisors (see below), whose sum is σ = 12027272040. Its totient is φ = 2206059648.

The previous prime is 5621210731. The next prime is 5621210747. The reversal of 5621210740 is 470121265.

It can be written as a sum of positive squares in 4 ways, for example, as 518108644 + 5103102096 = 22762^2 + 71436^2 .

It is a junction number, because it is equal to n+sod(n) for n = 5621210699 and 5621210708.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5621210747) 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, 2650455 + ... + 2652574.

It is an arithmetic number, because the mean of its divisors is an integer number (501136335).

Almost surely, 2^5621210740 is an apocalyptic number.

It is an amenable number.

5621210740 is an abundant number, since it is smaller than the sum of its proper divisors (6406061300).

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

5621210740 is a wasteful number, since it uses less digits than its factorization.

5621210740 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5303091 (or 5303089 counting only the distinct ones).

The product of its (nonzero) digits is 3360, while the sum is 28.

The square root of 5621210740 is about 74974.7340108653. The cubic root of 5621210740 is about 1778.0472145821.

The spelling of 5621210740 in words is "five billion, six hundred twenty-one million, two hundred ten thousand, seven hundred forty".