15154402420 has 12 divisors (see below), whose sum is σ = 31824245124. Its totient is φ = 6061760960.

The previous prime is 15154402399. The next prime is 15154402427. The reversal of 15154402420 is 2420445151.

15154402420 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 9690827364 + 5463575056 = 98442^2 + 73916^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (15154402427) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 378860041 + ... + 378860080.

It is an arithmetic number, because the mean of its divisors is an integer number (2652020427).

Almost surely, 2^15154402420 is an apocalyptic number.

15154402420 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

15154402420 is an abundant number, since it is smaller than the sum of its proper divisors (16669842704).

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

15154402420 is a wasteful number, since it uses less digits than its factorization.

15154402420 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 757720130 (or 757720128 counting only the distinct ones).

The product of its (nonzero) digits is 6400, while the sum is 28.

Adding to 15154402420 its reverse (2420445151), we get a palindrome (17574847571).

The spelling of 15154402420 in words is "fifteen billion, one hundred fifty-four million, four hundred two thousand, four hundred twenty".