49044078720 has 512 divisors, whose sum is σ = 213788736000. Its totient is φ = 10347429888.

The previous prime is 49044078701. The next prime is 49044078731. The reversal of 49044078720 is 2787044094.

It is a Harshad number since it is a multiple of its sum of digits (45).

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, 1556886 + ... + 1588074.

It is an arithmetic number, because the mean of its divisors is an integer number (417556125).

Almost surely, 2^49044078720 is an apocalyptic number.

49044078720 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 49044078720, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (106894368000).

49044078720 is an abundant number, since it is smaller than the sum of its proper divisors (164744657280).

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

49044078720 is a wasteful number, since it uses less digits than its factorization.

49044078720 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 31237 (or 31219 counting only the distinct ones).

The product of its (nonzero) digits is 451584, while the sum is 45.

The spelling of 49044078720 in words is "forty-nine billion, forty-four million, seventy-eight thousand, seven hundred twenty".