2015425400 has 24 divisors (see below), whose sum is σ = 4685864520. Its totient is φ = 806170080.

The previous prime is 2015425387. The next prime is 2015425403. The reversal of 2015425400 is 45245102.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2015425403) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 5038364 + ... + 5038763.

It is an arithmetic number, because the mean of its divisors is an integer number (195244355).

Almost surely, 2^2015425400 is an apocalyptic number.

2015425400 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2015425400 is an abundant number, since it is smaller than the sum of its proper divisors (2670439120).

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

2015425400 is a wasteful number, since it uses less digits than its factorization.

2015425400 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10077143 (or 10077134 counting only the distinct ones).

The product of its (nonzero) digits is 1600, while the sum is 23.

The square root of 2015425400 is about 44893.4895057179. The cubic root of 2015425400 is about 1263.1518889395.

It can be divided in two parts, 20154 and 25400, that added together give a palindrome (45554).

The spelling of 2015425400 in words is "two billion, fifteen million, four hundred twenty-five thousand, four hundred".