49380657942 has 64 divisors (see below), whose sum is σ = 125994553344. Its totient is φ = 12527857440.

The previous prime is 49380657923. The next prime is 49380657971. The reversal of 49380657942 is 24975608394.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1222978 + ... + 1262709.

It is an arithmetic number, because the mean of its divisors is an integer number (1968664896).

Almost surely, 2^49380657942 is an apocalyptic number.

49380657942 is a gapful number since it is divisible by the number (42) formed by its first and last digit.

49380657942 is an abundant number, since it is smaller than the sum of its proper divisors (76613895402).

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

49380657942 is a wasteful number, since it uses less digits than its factorization.

49380657942 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2485753.

The product of its (nonzero) digits is 13063680, while the sum is 57.

The spelling of 49380657942 in words is "forty-nine billion, three hundred eighty million, six hundred fifty-seven thousand, nine hundred forty-two".