49587182640 has 240 divisors, whose sum is σ = 173010259968. Its totient is φ = 13199355648.

The previous prime is 49587182627. The next prime is 49587182653. The reversal of 49587182640 is 4628178594.

It is a happy number.

49587182640 is a `hidden beast` number, since 4 + 9 + 587 + 18 + 2 + 6 + 40 = 666.

It is an interprime number because it is at equal distance from previous prime (49587182627) and next prime (49587182653).

It is a tau number, because it is divible by the number of its divisors (240).

It is a Harshad number since it is a multiple of its sum of digits (54).

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 12497937 + ... + 12501903.

Almost surely, 2^49587182640 is an apocalyptic number.

49587182640 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 49587182640, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (86505129984).

49587182640 is an abundant number, since it is smaller than the sum of its proper divisors (123423077328).

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

49587182640 is a wasteful number, since it uses less digits than its factorization.

49587182640 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4638 (or 4620 counting only the distinct ones).

The product of its (nonzero) digits is 3870720, while the sum is 54.

The spelling of 49587182640 in words is "forty-nine billion, five hundred eighty-seven million, one hundred eighty-two thousand, six hundred forty".