15055445340 has 288 divisors, whose sum is σ = 54024122880. Its totient is φ = 3358029312.

The previous prime is 15055445333. The next prime is 15055445357. The reversal of 15055445340 is 4354455051.

15055445340 is a `hidden beast` number, since 1 + 50 + 554 + 4 + 53 + 4 + 0 = 666.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a junction number, because it is equal to n+sod(n) for n = 15055445295 and 15055445304.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 1015219 + ... + 1029941.

It is an arithmetic number, because the mean of its divisors is an integer number (187583760).

Almost surely, 2^15055445340 is an apocalyptic number.

15055445340 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 15055445340, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (27012061440).

15055445340 is an abundant number, since it is smaller than the sum of its proper divisors (38968677540).

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

15055445340 is a wasteful number, since it uses less digits than its factorization.

15055445340 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14793 (or 14788 counting only the distinct ones).

The product of its (nonzero) digits is 120000, while the sum is 36.

The spelling of 15055445340 in words is "fifteen billion, fifty-five million, four hundred forty-five thousand, three hundred forty".