49931362967920 has 40 divisors (see below), whose sum is σ = 132674764459104. Its totient is φ = 17119324445952.

The previous prime is 49931362967803. The next prime is 49931362967923. The reversal of 49931362967920 is 2976926313994.

It is a tau number, because it is divible by the number of its divisors (40).

It is a Harshad number since it is a multiple of its sum of digits (70).

It is a self number, because there is not a number n which added to its sum of digits gives 49931362967920.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (49931362967923) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 44581573519 + ... + 44581574638.

Almost surely, 2^{49931362967920} is an apocalyptic number.

49931362967920 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

49931362967920 is an abundant number, since it is smaller than the sum of its proper divisors (82743401491184).

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

49931362967920 is a wasteful number, since it uses less digits than its factorization.

49931362967920 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 89163148177 (or 89163148171 counting only the distinct ones).

The product of its (nonzero) digits is 238085568, while the sum is 70.

The spelling of 49931362967920 in words is "forty-nine trillion, nine hundred thirty-one billion, three hundred sixty-two million, nine hundred sixty-seven thousand, nine hundred twenty".