15409100842398 has 48 divisors (see below), whose sum is σ = 33548546640960. Its totient is φ = 5111447836992.

The previous prime is 15409100842381. The next prime is 15409100842403. The reversal of 15409100842398 is 89324800190451.

It is a happy number.

15409100842398 is a `hidden beast` number, since 1 + 5 + 40 + 91 + 0 + 0 + 8 + 423 + 98 = 666.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 5223340 + ... + 7622432.

It is an arithmetic number, because the mean of its divisors is an integer number (698928055020).

Almost surely, 2^{15409100842398} is an apocalyptic number.

15409100842398 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

15409100842398 is an abundant number, since it is smaller than the sum of its proper divisors (18139445798562).

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

15409100842398 is a wasteful number, since it uses less digits than its factorization.

15409100842398 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2400833 (or 2400830 counting only the distinct ones).

The product of its (nonzero) digits is 2488320, while the sum is 54.

The spelling of 15409100842398 in words is "fifteen trillion, four hundred nine billion, one hundred million, eight hundred forty-two thousand, three hundred ninety-eight".