2540606453 has 16 divisors (see below), whose sum is σ = 3241176576. Its totient is φ = 1933651440.

The previous prime is 2540606441. The next prime is 2540606461. The reversal of 2540606453 is 3546060452.

It is a happy number.

It is not a de Polignac number, because 2540606453 - 2⁶ = 2540606389 is a prime.

It is a super-2 number, since 2×2540606453² = 12909362298050482418, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2540606423) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 380351 + ... + 386972.

It is an arithmetic number, because the mean of its divisors is an integer number (202573536).

Almost surely, 2^2540606453 is an apocalyptic number.

It is an amenable number.

2540606453 is a deficient number, since it is larger than the sum of its proper divisors (700570123).

2540606453 is a wasteful number, since it uses less digits than its factorization.

2540606453 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 767384.

The product of its (nonzero) digits is 86400, while the sum is 35.

The square root of 2540606453 is about 50404.4289026272. The cubic root of 2540606453 is about 1364.5175703505.

The spelling of 2540606453 in words is "two billion, five hundred forty million, six hundred six thousand, four hundred fifty-three".