49866980940 has 240 divisors, whose sum is σ = 189299702592. Its totient is φ = 10727645184.

The previous prime is 49866980927. The next prime is 49866980963. The reversal of 49866980940 is 4908966894.

49866980940 is a `hidden beast` number, since 498 + 6 + 69 + 80 + 9 + 4 + 0 = 666.

It is a Harshad number since it is a multiple of its sum of digits (63).

It is an unprimeable number.

It is a polite number, since it can be written in 79 ways as a sum of consecutive naturals, for example, 63444 + ... + 322116.

Almost surely, 2^49866980940 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 49866980940, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (94649851296).

49866980940 is an abundant number, since it is smaller than the sum of its proper divisors (139432721652).

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

49866980940 is a wasteful number, since it uses less digits than its factorization.

49866980940 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 258718 (or 258707 counting only the distinct ones).

The product of its (nonzero) digits is 26873856, while the sum is 63.

The spelling of 49866980940 in words is "forty-nine billion, eight hundred sixty-six million, nine hundred eighty thousand, nine hundred forty".