10215384540 has 24 divisors (see below), whose sum is σ = 28603076880. Its totient is φ = 2724102528.

The previous prime is 10215384533. The next prime is 10215384547. The reversal of 10215384540 is 4548351201.

It is an interprime number because it is at equal distance from previous prime (10215384533) and next prime (10215384547).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10215384547) 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, 85128145 + ... + 85128264.

It is an arithmetic number, because the mean of its divisors is an integer number (1191794870).

Almost surely, 2^10215384540 is an apocalyptic number.

10215384540 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

10215384540 is an abundant number, since it is smaller than the sum of its proper divisors (18387692340).

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

10215384540 is a wasteful number, since it uses less digits than its factorization.

10215384540 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 170256421 (or 170256419 counting only the distinct ones).

The product of its (nonzero) digits is 19200, while the sum is 33.

The spelling of 10215384540 in words is "ten billion, two hundred fifteen million, three hundred eighty-four thousand, five hundred forty".