15250423340 has 144 divisors (see below), whose sum is σ = 35494228224. Its totient is φ = 5496076800.

The previous prime is 15250423327. The next prime is 15250423367. The reversal of 15250423340 is 4332405251.

It is a happy number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 13652462 + ... + 13653578.

It is an arithmetic number, because the mean of its divisors is an integer number (246487696).

Almost surely, 2^15250423340 is an apocalyptic number.

15250423340 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 15250423340, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (17747114112).

15250423340 is an abundant number, since it is smaller than the sum of its proper divisors (20243804884).

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

15250423340 is a wasteful number, since it uses less digits than its factorization.

15250423340 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1256 (or 1235 counting only the distinct ones).

The product of its (nonzero) digits is 14400, while the sum is 29.

Adding to 15250423340 its reverse (4332405251), we get a palindrome (19582828591).

The spelling of 15250423340 in words is "fifteen billion, two hundred fifty million, four hundred twenty-three thousand, three hundred forty".