2536997040 has 240 divisors, whose sum is σ = 9496936800. Its totient is φ = 603168768.

The previous prime is 2536996999. The next prime is 2536997041. The reversal of 2536997040 is 407996352.

It is a happy number.

2536997040 is a `hidden beast` number, since 2 + 536 + 9 + 9 + 70 + 40 = 666.

It is a tau number, because it is divible by the number of its divisors (240).

It is a Harshad number since it is a multiple of its sum of digits (45).

It is not an unprimeable number, because it can be changed into a prime (2536997041) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 227106 + ... + 238014.

It is an arithmetic number, because the mean of its divisors is an integer number (39570570).

Almost surely, 2^2536997040 is an apocalyptic number.

2536997040 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 2536997040, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (4748468400).

2536997040 is an abundant number, since it is smaller than the sum of its proper divisors (6959939760).

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

2536997040 is a wasteful number, since it uses less digits than its factorization.

2536997040 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10964 (or 10955 counting only the distinct ones).

The product of its (nonzero) digits is 408240, while the sum is 45.

The square root of 2536997040 is about 50368.6116544818. The cubic root of 2536997040 is about 1363.8710788217.

The spelling of 2536997040 in words is "two billion, five hundred thirty-six million, nine hundred ninety-seven thousand, forty".