15090780630 has 64 divisors (see below), whose sum is σ = 36974086848. Its totient is φ = 3940485120.

The previous prime is 15090780629. The next prime is 15090780659. The reversal of 15090780630 is 3608709051.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 819282 + ... + 837498.

It is an arithmetic number, because the mean of its divisors is an integer number (577720107).

Almost surely, 2^15090780630 is an apocalyptic number.

15090780630 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 15090780630, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (18487043424).

15090780630 is an abundant number, since it is smaller than the sum of its proper divisors (21883306218).

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

15090780630 is a wasteful number, since it uses less digits than its factorization.

15090780630 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18801.

The product of its (nonzero) digits is 45360, while the sum is 39.

The spelling of 15090780630 in words is "fifteen billion, ninety million, seven hundred eighty thousand, six hundred thirty".