2540001043452 has 24 divisors (see below), whose sum is σ = 5928346717776. Its totient is φ = 846427355008.

The previous prime is 2540001043441. The next prime is 2540001043453. The reversal of 2540001043452 is 2543401000452.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2540001043453) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 29913273 + ... + 29998064.

It is an arithmetic number, because the mean of its divisors is an integer number (247014446574).

Almost surely, 2^{2540001043452} is an apocalyptic number.

It is an amenable number.

2540001043452 is an abundant number, since it is smaller than the sum of its proper divisors (3388345674324).

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

2540001043452 is a wasteful number, since it uses less digits than its factorization.

2540001043452 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 59914877 (or 59914875 counting only the distinct ones).

The product of its (nonzero) digits is 19200, while the sum is 30.

The spelling of 2540001043452 in words is "two trillion, five hundred forty billion, one million, forty-three thousand, four hundred fifty-two".