49385993580 has 864 divisors, whose sum is σ = 203403432960. Its totient is φ = 9562613760.

The previous prime is 49385993549. The next prime is 49385993603. The reversal of 49385993580 is 8539958394.

49385993580 is a `hidden beast` number, since 4 + 9 + 3 + 8 + 599 + 35 + 8 + 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 287 ways as a sum of consecutive naturals, for example, 134566557 + ... + 134566923.

It is an arithmetic number, because the mean of its divisors is an integer number (235420640).

Almost surely, 2^49385993580 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 49385993580, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (101701716480).

49385993580 is an abundant number, since it is smaller than the sum of its proper divisors (154017439380).

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

49385993580 is a wasteful number, since it uses less digits than its factorization.

49385993580 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 499 (or 487 counting only the distinct ones).

The product of its (nonzero) digits is 41990400, while the sum is 63.

The spelling of 49385993580 in words is "forty-nine billion, three hundred eighty-five million, nine hundred ninety-three thousand, five hundred eighty".