15390155040 has 384 divisors, whose sum is σ = 55273881600. Its totient is φ = 3568250880.

The previous prime is 15390155017. The next prime is 15390155041. The reversal of 15390155040 is 4055109351.

It is a junction number, because it is equal to n+sod(n) for n = 15390154992 and 15390155010.

It is not an unprimeable number, because it can be changed into a prime (15390155041) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 32129521 + ... + 32129999.

It is an arithmetic number, because the mean of its divisors is an integer number (143942400).

Almost surely, 2^15390155040 is an apocalyptic number.

15390155040 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 15390155040, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (27636940800).

15390155040 is an abundant number, since it is smaller than the sum of its proper divisors (39883726560).

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

15390155040 is a wasteful number, since it uses less digits than its factorization.

15390155040 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 800 (or 792 counting only the distinct ones).

The product of its (nonzero) digits is 13500, while the sum is 33.

The spelling of 15390155040 in words is "fifteen billion, three hundred ninety million, one hundred fifty-five thousand, forty".