49872315870 has 512 divisors, whose sum is σ = 158070528000. Its totient is φ = 11078000640.

The previous prime is 49872315859. The next prime is 49872315877. The reversal of 49872315870 is 7851327894.

It is a happy number.

49872315870 is a `hidden beast` number, since 498 + 7 + 2 + 31 + 58 + 70 = 666.

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

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (49872315877) by changing a digit.

It is a polite number, since it can be written in 255 ways as a sum of consecutive naturals, for example, 206938950 + ... + 206939190.

It is an arithmetic number, because the mean of its divisors is an integer number (308731500).

Almost surely, 2^49872315870 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 49872315870, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (79035264000).

49872315870 is an abundant number, since it is smaller than the sum of its proper divisors (108198212130).

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

49872315870 is a wasteful number, since it uses less digits than its factorization.

49872315870 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 425 (or 419 counting only the distinct ones).

The product of its (nonzero) digits is 3386880, while the sum is 54.

The spelling of 49872315870 in words is "forty-nine billion, eight hundred seventy-two million, three hundred fifteen thousand, eight hundred seventy".