2152653040 has 20 divisors (see below), whose sum is σ = 5004918504. Its totient is φ = 861061184.

The previous prime is 2152653037. The next prime is 2152653049. The reversal of 2152653040 is 403562512.

It is a tau number, because it is divible by the number of its divisors (20).

It is a super-2 number, since 2×2152653040² = 9267830221242483200, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2152653049) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 13454002 + ... + 13454161.

Almost surely, 2^2152653040 is an apocalyptic number.

2152653040 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2152653040 is an abundant number, since it is smaller than the sum of its proper divisors (2852265464).

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

2152653040 is a wasteful number, since it uses less digits than its factorization.

2152653040 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26908176 (or 26908170 counting only the distinct ones).

The product of its (nonzero) digits is 7200, while the sum is 28.

The square root of 2152653040 is about 46396.6921234693. The cubic root of 2152653040 is about 1291.1935431184.

The spelling of 2152653040 in words is "two billion, one hundred fifty-two million, six hundred fifty-three thousand, forty".