49120651440 has 120 divisors (see below), whose sum is σ = 188529757728. Its totient is φ = 11227576320.

The previous prime is 49120651427. The next prime is 49120651453. The reversal of 49120651440 is 4415602194.

49120651440 is a `hidden beast` number, since 4 + 9 + 1 + 206 + 5 + 1 + 440 = 666.

It is an interprime number because it is at equal distance from previous prime (49120651427) and next prime (49120651453).

It is a tau number, because it is divible by the number of its divisors (120).

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a junction number, because it is equal to n+sod(n) for n = 49120651395 and 49120651404.

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 23 ways as a sum of consecutive naturals, for example, 4868041 + ... + 4878120.

Almost surely, 2^49120651440 is an apocalyptic number.

49120651440 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

49120651440 is an abundant number, since it is smaller than the sum of its proper divisors (139409106288).

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

49120651440 is a wasteful number, since it uses less digits than its factorization.

49120651440 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9746187 (or 9746178 counting only the distinct ones).

The product of its (nonzero) digits is 34560, while the sum is 36.

The spelling of 49120651440 in words is "forty-nine billion, one hundred twenty million, six hundred fifty-one thousand, four hundred forty".