10215500240 has 40 divisors (see below), whose sum is σ = 25910225568. Its totient is φ = 3714727040.

The previous prime is 10215500231. The next prime is 10215500249. The reversal of 10215500240 is 4200551201.

It is an interprime number because it is at equal distance from previous prime (10215500231) and next prime (10215500249).

It is a tau number, because it is divible by the number of its divisors (40).

It is a Harshad number since it is a multiple of its sum of digits (20).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10215500249) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5803382 + ... + 5805141.

Almost surely, 2^10215500240 is an apocalyptic number.

10215500240 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

10215500240 is an abundant number, since it is smaller than the sum of its proper divisors (15694725328).

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

10215500240 is a wasteful number, since it uses less digits than its factorization.

10215500240 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11608547 (or 11608541 counting only the distinct ones).

The product of its (nonzero) digits is 400, while the sum is 20.

The spelling of 10215500240 in words is "ten billion, two hundred fifteen million, five hundred thousand, two hundred forty".