15240023454 has 8 divisors (see below), whose sum is σ = 30480046920. Its totient is φ = 5080007816.

The previous prime is 15240023453. The next prime is 15240023471. The reversal of 15240023454 is 45432004251.

It is a sphenic number, since it is the product of 3 distinct primes.

15240023454 is an admirable number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (15240023453) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1270001949 + ... + 1270001960.

It is an arithmetic number, because the mean of its divisors is an integer number (3810005865).

Almost surely, 2^15240023454 is an apocalyptic number.

15240023454 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

15240023454 is a wasteful number, since it uses less digits than its factorization.

15240023454 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2540003914.

The product of its (nonzero) digits is 19200, while the sum is 30.

The spelling of 15240023454 in words is "fifteen billion, two hundred forty million, twenty-three thousand, four hundred fifty-four".