2440025491 has 2 divisors, whose sum is σ = 2440025492. Its totient is φ = 2440025490.

The previous prime is 2440025479. The next prime is 2440025503. The reversal of 2440025491 is 1945200442.

It is a balanced prime because it is at equal distance from previous prime (2440025479) and next prime (2440025503).

It is a cyclic number.

It is not a de Polignac number, because 2440025491 - 2¹⁷ = 2439894419 is a prime.

It is a super-3 number, since 3×2440025491³ (a number of 29 digits) contains 333 as substring.

It is not a weakly prime, because it can be changed into another prime (2440025431) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1220012745 + 1220012746.

It is an arithmetic number, because the mean of its divisors is an integer number (1220012746).

Almost surely, 2^2440025491 is an apocalyptic number.

2440025491 is a deficient number, since it is larger than the sum of its proper divisors (1).

2440025491 is an equidigital number, since it uses as much as digits as its factorization.

2440025491 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 11520, while the sum is 31.

The square root of 2440025491 is about 49396.6141653454. The cubic root of 2440025491 is about 1346.2677876325.

The spelling of 2440025491 in words is "two billion, four hundred forty million, twenty-five thousand, four hundred ninety-one".