2015433140 has 48 divisors (see below), whose sum is σ = 4848356352. Its totient is φ = 689389056.

The previous prime is 2015433139. The next prime is 2015433143. The reversal of 2015433140 is 413345102.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2015433143) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 43997 + ... + 77243.

It is an arithmetic number, because the mean of its divisors is an integer number (101007424).

Almost surely, 2^2015433140 is an apocalyptic number.

2015433140 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2015433140 is an abundant number, since it is smaller than the sum of its proper divisors (2832923212).

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

2015433140 is a wasteful number, since it uses less digits than its factorization.

2015433140 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 33696 (or 33694 counting only the distinct ones).

The product of its (nonzero) digits is 1440, while the sum is 23.

The square root of 2015433140 is about 44893.5757096714. The cubic root of 2015433140 is about 1263.1535059320.

Adding to 2015433140 its reverse (413345102), we get a palindrome (2428778242).

The spelling of 2015433140 in words is "two billion, fifteen million, four hundred thirty-three thousand, one hundred forty".