49504178661504 has 512 divisors, whose sum is σ = 156941895720960. Its totient is φ = 13532968058880.

The previous prime is 49504178661479. The next prime is 49504178661523. The reversal of 49504178661504 is 40516687140594.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 1253155417 + ... + 1253194919.

It is an arithmetic number, because the mean of its divisors is an integer number (306527140080).

Almost surely, 2^{49504178661504} is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 49504178661504, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (78470947860480).

49504178661504 is an abundant number, since it is smaller than the sum of its proper divisors (107437717059456).

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

49504178661504 is a wasteful number, since it uses less digits than its factorization.

49504178661504 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 39788 (or 39776 counting only the distinct ones).

The product of its (nonzero) digits is 29030400, while the sum is 60.

The spelling of 49504178661504 in words is "forty-nine trillion, five hundred four billion, one hundred seventy-eight million, six hundred sixty-one thousand, five hundred four".