49187259660 has 768 divisors, whose sum is σ = 188581478400. Its totient is φ = 9273139200.

The previous prime is 49187259631. The next prime is 49187259673. The reversal of 49187259660 is 6695278194.

It is a Harshad number since it is a multiple of its sum of digits (57).

It is a self number, because there is not a number n which added to its sum of digits gives 49187259660.

It is an unprimeable number.

It is a polite number, since it can be written in 255 ways as a sum of consecutive naturals, for example, 284319334 + ... + 284319506.

It is an arithmetic number, because the mean of its divisors is an integer number (245548800).

Almost surely, 2^49187259660 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 49187259660, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (94290739200).

49187259660 is an abundant number, since it is smaller than the sum of its proper divisors (139394218740).

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

49187259660 is a wasteful number, since it uses less digits than its factorization.

49187259660 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 342 (or 340 counting only the distinct ones).

The product of its (nonzero) digits is 6531840, while the sum is 57.

The spelling of 49187259660 in words is "forty-nine billion, one hundred eighty-seven million, two hundred fifty-nine thousand, six hundred sixty".