2615242040 has 64 divisors (see below), whose sum is σ = 6128460000. Its totient is φ = 1003179520.

The previous prime is 2615242033. The next prime is 2615242067. The reversal of 2615242040 is 402425162.

It is a congruent number.

It is an unprimeable number.

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 15 ways as a sum of consecutive naturals, for example, 165275 + ... + 180405.

Almost surely, 2^2615242040 is an apocalyptic number.

2615242040 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2615242040, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3064230000).

2615242040 is an abundant number, since it is smaller than the sum of its proper divisors (3513217960).

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

2615242040 is a wasteful number, since it uses less digits than its factorization.

2615242040 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15320 (or 15316 counting only the distinct ones).

The product of its (nonzero) digits is 3840, while the sum is 26.

The square root of 2615242040 is about 51139.4372280337. The cubic root of 2615242040 is about 1377.7506660079.

The spelling of 2615242040 in words is "two billion, six hundred fifteen million, two hundred forty-two thousand, forty".