15354544340 has 12 divisors (see below), whose sum is σ = 32244543156. Its totient is φ = 6141817728.

The previous prime is 15354544319. The next prime is 15354544343. The reversal of 15354544340 is 4344545351.

It can be written as a sum of positive squares in 2 ways, for example, as 11673938116 + 3680606224 = 108046^2 + 60668^2 .

It is a junction number, because it is equal to n+sod(n) for n = 15354544294 and 15354544303.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (15354544343) 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, 383863589 + ... + 383863628.

It is an arithmetic number, because the mean of its divisors is an integer number (2687045263).

Almost surely, 2^15354544340 is an apocalyptic number.

15354544340 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

15354544340 is an abundant number, since it is smaller than the sum of its proper divisors (16889998816).

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

15354544340 is a wasteful number, since it uses less digits than its factorization.

15354544340 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 767727226 (or 767727224 counting only the distinct ones).

The product of its (nonzero) digits is 288000, while the sum is 38.

The spelling of 15354544340 in words is "fifteen billion, three hundred fifty-four million, five hundred forty-four thousand, three hundred forty".