49442591690 has 64 divisors (see below), whose sum is σ = 91254159360. Its totient is φ = 19281888000.

The previous prime is 49442591663. The next prime is 49442591719. The reversal of 49442591690 is 9619524494.

It is a super-2 number, since 2×49442591690² (a number of 22 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 47586191 + ... + 47587229.

It is an arithmetic number, because the mean of its divisors is an integer number (1425846240).

Almost surely, 2^49442591690 is an apocalyptic number.

49442591690 is a deficient number, since it is larger than the sum of its proper divisors (41811567670).

49442591690 is a wasteful number, since it uses less digits than its factorization.

49442591690 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1719.

The product of its (nonzero) digits is 2799360, while the sum is 53.

The spelling of 49442591690 in words is "forty-nine billion, four hundred forty-two million, five hundred ninety-one thousand, six hundred ninety".