49004365920 has 288 divisors, whose sum is σ = 164549514528. Its totient is φ = 12256346112.

The previous prime is 49004365919. The next prime is 49004365979. The reversal of 49004365920 is 2956340094.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 63394654 + ... + 63395426.

It is an arithmetic number, because the mean of its divisors is an integer number (571352481).

Almost surely, 2^49004365920 is an apocalyptic number.

49004365920 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 49004365920, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (82274757264).

49004365920 is an abundant number, since it is smaller than the sum of its proper divisors (115545148608).

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

49004365920 is a wasteful number, since it uses less digits than its factorization.

49004365920 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1282 (or 1257 counting only the distinct ones).

The product of its (nonzero) digits is 233280, while the sum is 42.

The spelling of 49004365920 in words is "forty-nine billion, four million, three hundred sixty-five thousand, nine hundred twenty".