49045237278 has 32 divisors (see below), whose sum is σ = 98581625856. Its totient is φ = 16266641088.

The previous prime is 49045237273. The next prime is 49045237279. The reversal of 49045237278 is 87273254094.

It is a self number, because there is not a number n which added to its sum of digits gives 49045237278.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (49045237273) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2473050 + ... + 2492802.

It is an arithmetic number, because the mean of its divisors is an integer number (3080675808).

Almost surely, 2^49045237278 is an apocalyptic number.

49045237278 is an abundant number, since it is smaller than the sum of its proper divisors (49536388578).

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

49045237278 is a wasteful number, since it uses less digits than its factorization.

49045237278 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21808.

The product of its (nonzero) digits is 3386880, while the sum is 51.

The spelling of 49045237278 in words is "forty-nine billion, forty-five million, two hundred thirty-seven thousand, two hundred seventy-eight".