49208239840 has 48 divisors (see below), whose sum is σ = 122373130320. Its totient is φ = 18647331840.

The previous prime is 49208239753. The next prime is 49208239901. The reversal of 49208239840 is 4893280294.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8090421 + ... + 8096500.

It is an arithmetic number, because the mean of its divisors is an integer number (2549440215).

Almost surely, 2^49208239840 is an apocalyptic number.

49208239840 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

49208239840 is an abundant number, since it is smaller than the sum of its proper divisors (73164890480).

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

49208239840 is a wasteful number, since it uses less digits than its factorization.

49208239840 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16186955 (or 16186947 counting only the distinct ones).

The product of its (nonzero) digits is 995328, while the sum is 49.

The spelling of 49208239840 in words is "forty-nine billion, two hundred eight million, two hundred thirty-nine thousand, eight hundred forty".