49581000150 has 96 divisors (see below), whose sum is σ = 134326902528. Its totient is φ = 12002812800.

The previous prime is 49581000143. The next prime is 49581000151. The reversal of 49581000150 is 5100018594.

It is a Harshad number since it is a multiple of its sum of digits (33).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (49581000151) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 1178884 + ... + 1220216.

It is an arithmetic number, because the mean of its divisors is an integer number (1399238568).

Almost surely, 2^49581000150 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 49581000150, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (67163451264).

49581000150 is an abundant number, since it is smaller than the sum of its proper divisors (84745902378).

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

49581000150 is a wasteful number, since it uses less digits than its factorization.

49581000150 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 42086 (or 42081 counting only the distinct ones).

The product of its (nonzero) digits is 7200, while the sum is 33.

The spelling of 49581000150 in words is "forty-nine billion, five hundred eighty-one million, one hundred fifty", and thus it is an aban number.