2235541656540 has 24 divisors (see below), whose sum is σ = 6259516638480. Its totient is φ = 596144441728.

The previous prime is 2235541656533. The next prime is 2235541656547. The reversal of 2235541656540 is 456561455322.

It is an interprime number because it is at equal distance from previous prime (2235541656533) and next prime (2235541656547).

It is a self number, because there is not a number n which added to its sum of digits gives 2235541656540.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2235541656547) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 18629513745 + ... + 18629513864.

It is an arithmetic number, because the mean of its divisors is an integer number (260813193270).

Almost surely, 2^{2235541656540} is an apocalyptic number.

2235541656540 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2235541656540 is an abundant number, since it is smaller than the sum of its proper divisors (4023974981940).

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

2235541656540 is a wasteful number, since it uses less digits than its factorization.

2235541656540 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 37259027621 (or 37259027619 counting only the distinct ones).

The product of its (nonzero) digits is 4320000, while the sum is 48.

The spelling of 2235541656540 in words is "two trillion, two hundred thirty-five billion, five hundred forty-one million, six hundred fifty-six thousand, five hundred forty".