45620568490 has 36 divisors (see below), whose sum is σ = 95533785126. Its totient is φ = 15639716736.

The previous prime is 45620568481. The next prime is 45620568491. The reversal of 45620568490 is 9486502654.

45620568490 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 3 ways, for example, as 16902860121 + 28717708369 = 130011^2 + 169463^2 .

It is a Harshad number since it is a multiple of its sum of digits (49).

It is not an unprimeable number, because it can be changed into a prime (45620568491) by changing a digit.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 4723186 + ... + 4732834.

Almost surely, 2^45620568490 is an apocalyptic number.

45620568490 is an abundant number, since it is smaller than the sum of its proper divisors (49913216636).

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

45620568490 is an frugal number, since it uses more digits than its factorization.

45620568490 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19319 (or 9663 counting only the distinct ones).

The product of its (nonzero) digits is 2073600, while the sum is 49.

The spelling of 45620568490 in words is "forty-five billion, six hundred twenty million, five hundred sixty-eight thousand, four hundred ninety".