15081467940 has 432 divisors, whose sum is σ = 58350015360. Its totient is φ = 3117864960.

The previous prime is 15081467881. The next prime is 15081467963. The reversal of 15081467940 is 4976418051.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is an unprimeable number.

It is a polite number, since it can be written in 143 ways as a sum of consecutive naturals, for example, 34829964 + ... + 34830396.

It is an arithmetic number, because the mean of its divisors is an integer number (135069480).

Almost surely, 2^15081467940 is an apocalyptic number.

15081467940 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 15081467940, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (29175007680).

15081467940 is an abundant number, since it is smaller than the sum of its proper divisors (43268547420).

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

15081467940 is a wasteful number, since it uses less digits than its factorization.

15081467940 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 832 (or 820 counting only the distinct ones).

The product of its (nonzero) digits is 241920, while the sum is 45.

The spelling of 15081467940 in words is "fifteen billion, eighty-one million, four hundred sixty-seven thousand, nine hundred forty".