15949479150 has 240 divisors, whose sum is σ = 48742594560. Its totient is φ = 3834734400.

The previous prime is 15949479127. The next prime is 15949479179. The reversal of 15949479150 is 5197494951.

It is a happy number.

15949479150 is a `hidden beast` number, since 1 + 594 + 9 + 47 + 9 + 1 + 5 + 0 = 666.

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 119 ways as a sum of consecutive naturals, for example, 5656441 + ... + 5659259.

It is an arithmetic number, because the mean of its divisors is an integer number (203094144).

Almost surely, 2^15949479150 is an apocalyptic number.

15949479150 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 15949479150, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (24371297280).

15949479150 is an abundant number, since it is smaller than the sum of its proper divisors (32793115410).

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

15949479150 is a wasteful number, since it uses less digits than its factorization.

15949479150 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2981 (or 2967 counting only the distinct ones).

The product of its (nonzero) digits is 2041200, while the sum is 54.

The spelling of 15949479150 in words is "fifteen billion, nine hundred forty-nine million, four hundred seventy-nine thousand, one hundred fifty".