2540430952 has 64 divisors (see below), whose sum is σ = 5018576400. Its totient is φ = 1204346880.

The previous prime is 2540430947. The next prime is 2540430953. The reversal of 2540430952 is 2590340452.

It can be written as a sum of positive squares in 8 ways, for example, as 2089038436 + 451392516 = 45706^2 + 21246^2 .

It is a super-4 number, since 4×2540430952⁴ (a number of 39 digits) contains 4444 as substring.

It is not an unprimeable number, because it can be changed into a prime (2540430953) 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, 1922452 + ... + 1923772.

Almost surely, 2^2540430952 is an apocalyptic number.

It is an amenable number.

2540430952 is a deficient number, since it is larger than the sum of its proper divisors (2478145448).

2540430952 is a wasteful number, since it uses less digits than its factorization.

2540430952 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1526 (or 1522 counting only the distinct ones).

The product of its (nonzero) digits is 43200, while the sum is 34.

The square root of 2540430952 is about 50402.6879441960. The cubic root of 2540430952 is about 1364.4861500686.

The spelling of 2540430952 in words is "two billion, five hundred forty million, four hundred thirty thousand, nine hundred fifty-two".