49297873520 has 80 divisors (see below), whose sum is σ = 134531859648. Its totient is φ = 16445306880.

The previous prime is 49297873477. The next prime is 49297873529. The reversal of 49297873520 is 2537879294.

It is a tau number, because it is divible by the number of its divisors (80).

It is a Harshad number since it is a multiple of its sum of digits (56).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (49297873529) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1168901 + ... + 1210340.

Almost surely, 2^49297873520 is an apocalyptic number.

49297873520 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

49297873520 is an abundant number, since it is smaller than the sum of its proper divisors (85233986128).

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

49297873520 is a wasteful number, since it uses less digits than its factorization.

49297873520 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2379298 (or 2379292 counting only the distinct ones).

The product of its (nonzero) digits is 7620480, while the sum is 56.

The spelling of 49297873520 in words is "forty-nine billion, two hundred ninety-seven million, eight hundred seventy-three thousand, five hundred twenty".