2535356045640 has 128 divisors (see below), whose sum is σ = 8785618888320. Its totient is φ = 578476953600.

The previous prime is 2535356045567. The next prime is 2535356045669. The reversal of 2535356045640 is 465406535352.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 2535356045640.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 56469451 + ... + 56514330.

It is an arithmetic number, because the mean of its divisors is an integer number (68637647565).

Almost surely, 2^{2535356045640} is an apocalyptic number.

2535356045640 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2535356045640 is an abundant number, since it is smaller than the sum of its proper divisors (6250262842680).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2535356045640 is a wasteful number, since it uses less digits than its factorization.

2535356045640 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 112983823 (or 112983819 counting only the distinct ones).

The product of its (nonzero) digits is 6480000, while the sum is 48.

The spelling of 2535356045640 in words is "two trillion, five hundred thirty-five billion, three hundred fifty-six million, forty-five thousand, six hundred forty".