7540880407 has 2 divisors, whose sum is σ = 7540880408. Its totient is φ = 7540880406.

The previous prime is 7540880371. The next prime is 7540880419. The reversal of 7540880407 is 7040880457.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 7540880407 - 2⁷ = 7540880279 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (7540880467) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3770440203 + 3770440204.

It is an arithmetic number, because the mean of its divisors is an integer number (3770440204).

Almost surely, 2^7540880407 is an apocalyptic number.

7540880407 is a deficient number, since it is larger than the sum of its proper divisors (1).

7540880407 is an equidigital number, since it uses as much as digits as its factorization.

7540880407 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 250880, while the sum is 43.

The square root of 7540880407 is about 86838.2427678036. The cubic root of 7540880407 is about 1960.9838534637.

The spelling of 7540880407 in words is "seven billion, five hundred forty million, eight hundred eighty thousand, four hundred seven".