49059371520 has 320 divisors, whose sum is σ = 178982115840. Its totient is φ = 12728254464.

The previous prime is 49059371513. The next prime is 49059371539. The reversal of 49059371520 is 2517395094.

It is a happy number.

49059371520 is a `hidden beast` number, since 4 + 9 + 0 + 59 + 3 + 71 + 520 = 666.

It is a tau number, because it is divible by the number of its divisors (320).

It is a super-2 number, since 2×49059371520² (a number of 22 digits) contains 22 as substring.

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 31 ways as a sum of consecutive naturals, for example, 2547849 + ... + 2567031.

It is an arithmetic number, because the mean of its divisors is an integer number (559319112).

Almost surely, 2^49059371520 is an apocalyptic number.

49059371520 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 49059371520, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (89491057920).

49059371520 is an abundant number, since it is smaller than the sum of its proper divisors (129922744320).

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

49059371520 is a wasteful number, since it uses less digits than its factorization.

49059371520 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19252 (or 19230 counting only the distinct ones).

The product of its (nonzero) digits is 340200, while the sum is 45.

The spelling of 49059371520 in words is "forty-nine billion, fifty-nine million, three hundred seventy-one thousand, five hundred twenty".