49396257280 has 80 divisors (see below), whose sum is σ = 123584750784. Its totient is φ = 18899415040.

The previous prime is 49396257277. The next prime is 49396257311. The reversal of 49396257280 is 8275269394.

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

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 360586 + ... + 478345.

Almost surely, 2^49396257280 is an apocalyptic number.

49396257280 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

49396257280 is an abundant number, since it is smaller than the sum of its proper divisors (74188493504).

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

49396257280 is an equidigital number, since it uses as much as digits as its factorization.

49396257280 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 838977 (or 838961 counting only the distinct ones).

The product of its (nonzero) digits is 6531840, while the sum is 55.

The spelling of 49396257280 in words is "forty-nine billion, three hundred ninety-six million, two hundred fifty-seven thousand, two hundred eighty".