4640361150820 has 24 divisors (see below), whose sum is σ = 9757430436600. Its totient is φ = 1853730742272.

The previous prime is 4640361150791. The next prime is 4640361150851. The reversal of 4640361150820 is 280511630464.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 1079350610724 + 3561010540096 = 1038918^2 + 1887064^2 .

It is a super-2 number, since 2×4640361150820² (a number of 26 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 150841615 + ... + 150872374.

It is an arithmetic number, because the mean of its divisors is an integer number (406559601525).

Almost surely, 2^{4640361150820} is an apocalyptic number.

It is an amenable number.

4640361150820 is an abundant number, since it is smaller than the sum of its proper divisors (5117069285780).

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

4640361150820 is a wasteful number, since it uses less digits than its factorization.

4640361150820 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 301714767 (or 301714765 counting only the distinct ones).

The product of its (nonzero) digits is 138240, while the sum is 40.

The spelling of 4640361150820 in words is "four trillion, six hundred forty billion, three hundred sixty-one million, one hundred fifty thousand, eight hundred twenty".