15215452434 has 96 divisors (see below), whose sum is σ = 42710129280. Its totient is φ = 3801655296.

The previous prime is 15215452423. The next prime is 15215452471. The reversal of 15215452434 is 43425451251.

15215452434 is a `hidden beast` number, since 1 + 5 + 215 + 4 + 5 + 2 + 434 = 666.

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, 213327 + ... + 275570.

It is an arithmetic number, because the mean of its divisors is an integer number (444897180).

Almost surely, 2^15215452434 is an apocalyptic number.

15215452434 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

15215452434 is an abundant number, since it is smaller than the sum of its proper divisors (27494676846).

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

15215452434 is a wasteful number, since it uses less digits than its factorization.

15215452434 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 488944 (or 488941 counting only the distinct ones).

The product of its digits is 96000, while the sum is 36.

It can be divided in two parts, 15215452 and 434, that added together give a triangular number (15215886 = T₅₅₁₆).

The spelling of 15215452434 in words is "fifteen billion, two hundred fifteen million, four hundred fifty-two thousand, four hundred thirty-four".