2615402265400 has 96 divisors (see below), whose sum is σ = 6111342889200. Its totient is φ = 1040910796800.

The previous prime is 2615402265367. The next prime is 2615402265401. The reversal of 2615402265400 is 45622045162.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 2615402265400.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2615402265401) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 211373614 + ... + 211385986.

Almost surely, 2^{2615402265400} is an apocalyptic number.

2615402265400 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 2615402265400, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3055671444600).

2615402265400 is an abundant number, since it is smaller than the sum of its proper divisors (3495940623800).

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

2615402265400 is a wasteful number, since it uses less digits than its factorization.

2615402265400 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17609 (or 17600 counting only the distinct ones).

The product of its (nonzero) digits is 115200, while the sum is 37.

The spelling of 2615402265400 in words is "two trillion, six hundred fifteen billion, four hundred two million, two hundred sixty-five thousand, four hundred".