253540407767 has 16 divisors (see below), whose sum is σ = 262584837504. Its totient is φ = 244668480000.

The previous prime is 253540407751. The next prime is 253540407851. The reversal of 253540407767 is 767704045352.

It is a cyclic number.

It is not a de Polignac number, because 253540407767 - 2⁴ = 253540407751 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (253540407707) 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, 1033217 + ... + 1254837.

It is an arithmetic number, because the mean of its divisors is an integer number (16411552344).

Almost surely, 2^253540407767 is an apocalyptic number.

253540407767 is a deficient number, since it is larger than the sum of its proper divisors (9044429737).

253540407767 is a wasteful number, since it uses less digits than its factorization.

253540407767 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 222010.

The product of its (nonzero) digits is 4939200, while the sum is 50.

The spelling of 253540407767 in words is "two hundred fifty-three billion, five hundred forty million, four hundred seven thousand, seven hundred sixty-seven".