49790001900 has 36 divisors (see below), whose sum is σ = 144059073032. Its totient is φ = 13277333760.

The previous prime is 49790001889. The next prime is 49790001901. The reversal of 49790001900 is 910009794.

It is a super-2 number, since 2×49790001900² (a number of 22 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (49790001901) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 82983037 + ... + 82983636.

Almost surely, 2^49790001900 is an apocalyptic number.

It is an amenable number.

49790001900 is an abundant number, since it is smaller than the sum of its proper divisors (94269071132).

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

49790001900 is a wasteful number, since it uses less digits than its factorization.

49790001900 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 165966690 (or 165966683 counting only the distinct ones).

The product of its (nonzero) digits is 20412, while the sum is 39.

The spelling of 49790001900 in words is "forty-nine billion, seven hundred ninety million, one thousand, nine hundred".