2635317980 has 24 divisors (see below), whose sum is σ = 5585893488. Its totient is φ = 1044274688.

The previous prime is 2635317973. The next prime is 2635318003. The reversal of 2635317980 is 897135362.

2635317980 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×2635317980² = 13889801711422560800, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 613589 + ... + 617868.

It is an arithmetic number, because the mean of its divisors is an integer number (232745562).

Almost surely, 2^2635317980 is an apocalyptic number.

2635317980 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2635317980 is an abundant number, since it is smaller than the sum of its proper divisors (2950575508).

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

2635317980 is a wasteful number, since it uses less digits than its factorization.

2635317980 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1231573 (or 1231571 counting only the distinct ones).

The product of its (nonzero) digits is 272160, while the sum is 44.

The square root of 2635317980 is about 51335.3482504989. The cubic root of 2635317980 is about 1381.2671236386.

The spelling of 2635317980 in words is "two billion, six hundred thirty-five million, three hundred seventeen thousand, nine hundred eighty".