15379954340 has 12 divisors (see below), whose sum is σ = 32297904156. Its totient is φ = 6151981728.

The previous prime is 15379954277. The next prime is 15379954367. The reversal of 15379954340 is 4345997351.

It can be written as a sum of positive squares in 2 ways, for example, as 2890997824 + 12488956516 = 53768^2 + 111754^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 384498839 + ... + 384498878.

It is an arithmetic number, because the mean of its divisors is an integer number (2691492013).

Almost surely, 2^15379954340 is an apocalyptic number.

15379954340 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

15379954340 is an abundant number, since it is smaller than the sum of its proper divisors (16917949816).

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

15379954340 is a wasteful number, since it uses less digits than its factorization.

15379954340 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 768997726 (or 768997724 counting only the distinct ones).

The product of its (nonzero) digits is 2041200, while the sum is 50.

The spelling of 15379954340 in words is "fifteen billion, three hundred seventy-nine million, nine hundred fifty-four thousand, three hundred forty".