49026539520 has 560 divisors, whose sum is σ = 200962003968. Its totient is φ = 11200757760.

The previous prime is 49026539489. The next prime is 49026539567. The reversal of 49026539520 is 2593562094.

49026539520 is a `hidden beast` number, since 4 + 90 + 2 + 6 + 5 + 39 + 520 = 666.

It is a tau number, because it is divible by the number of its divisors (560).

It is a super-2 number, since 2×49026539520² (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 pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 23223265 + ... + 23225375.

Almost surely, 2^49026539520 is an apocalyptic number.

49026539520 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 49026539520, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (100481001984).

49026539520 is an abundant number, since it is smaller than the sum of its proper divisors (151935464448).

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

49026539520 is an equidigital number, since it uses as much as digits as its factorization.

49026539520 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2161 (or 2128 counting only the distinct ones).

The product of its (nonzero) digits is 583200, while the sum is 45.

The spelling of 49026539520 in words is "forty-nine billion, twenty-six million, five hundred thirty-nine thousand, five hundred twenty".