49920619774 has 32 divisors (see below), whose sum is σ = 75666308256. Its totient is φ = 24700515840.

The previous prime is 49920619769. The next prime is 49920619783. The reversal of 49920619774 is 47791602994.

It is a super-2 number, since 2×49920619774² (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 80908314 + ... + 80908930.

It is an arithmetic number, because the mean of its divisors is an integer number (2364572133).

Almost surely, 2^49920619774 is an apocalyptic number.

49920619774 is a deficient number, since it is larger than the sum of its proper divisors (25745688482).

49920619774 is a wasteful number, since it uses less digits than its factorization.

49920619774 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1660.

The product of its (nonzero) digits is 6858432, while the sum is 58.

The spelling of 49920619774 in words is "forty-nine billion, nine hundred twenty million, six hundred nineteen thousand, seven hundred seventy-four".