2152064540 has 12 divisors (see below), whose sum is σ = 4519335576. Its totient is φ = 860825808.

The previous prime is 2152064531. The next prime is 2152064549. The reversal of 2152064540 is 454602512.

It is an interprime number because it is at equal distance from previous prime (2152064531) and next prime (2152064549).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2152064549) 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, 53801594 + ... + 53801633.

It is an arithmetic number, because the mean of its divisors is an integer number (376611298).

Almost surely, 2^2152064540 is an apocalyptic number.

2152064540 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2152064540 is an abundant number, since it is smaller than the sum of its proper divisors (2367271036).

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

2152064540 is a wasteful number, since it uses less digits than its factorization.

2152064540 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 107603236 (or 107603234 counting only the distinct ones).

The product of its (nonzero) digits is 9600, while the sum is 29.

The square root of 2152064540 is about 46390.3496430023. The cubic root of 2152064540 is about 1291.0758686888.

The spelling of 2152064540 in words is "two billion, one hundred fifty-two million, sixty-four thousand, five hundred forty".