2513521430040 has 128 divisors (see below), whose sum is σ = 7876318694400. Its totient is φ = 640876346880.

The previous prime is 2513521429957. The next prime is 2513521430071. The reversal of 2513521430040 is 400341253152.

It is a super-2 number, since 2×2513521430040² (a number of 26 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 3147756 + ... + 3864635.

It is an arithmetic number, because the mean of its divisors is an integer number (61533739800).

Almost surely, 2^{2513521430040} is an apocalyptic number.

2513521430040 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2513521430040 is an abundant number, since it is smaller than the sum of its proper divisors (5362797264360).

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

2513521430040 is a wasteful number, since it uses less digits than its factorization.

2513521430040 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7012537 (or 7012533 counting only the distinct ones).

The product of its (nonzero) digits is 14400, while the sum is 30.

Adding to 2513521430040 its reverse (400341253152), we get a palindrome (2913862683192).

The spelling of 2513521430040 in words is "two trillion, five hundred thirteen billion, five hundred twenty-one million, four hundred thirty thousand, forty".