49406797488 has 40 divisors (see below), whose sum is σ = 132035410800. Its totient is φ = 15901037824.

The previous prime is 49406797457. The next prime is 49406797493. The reversal of 49406797488 is 88479760494.

It is a super-2 number, since 2×49406797488² (a number of 22 digits) contains 22 as substring.

It is a Smith number, since the sum of its digits (66) coincides with the sum of the digits of its prime factors.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 17745303 + ... + 17748086.

It is an arithmetic number, because the mean of its divisors is an integer number (3300885270).

Almost surely, 2^49406797488 is an apocalyptic number.

49406797488 is a gapful number since it is divisible by the number (48) formed by its first and last digit.

It is an amenable number.

49406797488 is an abundant number, since it is smaller than the sum of its proper divisors (82628613312).

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

49406797488 is a wasteful number, since it uses less digits than its factorization.

49406797488 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 35493429 (or 35493423 counting only the distinct ones).

The product of its (nonzero) digits is 97542144, while the sum is 66.

The spelling of 49406797488 in words is "forty-nine billion, four hundred six million, seven hundred ninety-seven thousand, four hundred eighty-eight".