10215947400 has 48 divisors (see below), whose sum is σ = 31669438800. Its totient is φ = 2724252480.

The previous prime is 10215947389. The next prime is 10215947429. The reversal of 10215947400 is 474951201.

It is a happy number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 8512690 + ... + 8513889.

It is an arithmetic number, because the mean of its divisors is an integer number (659779975).

Almost surely, 2^10215947400 is an apocalyptic number.

10215947400 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

10215947400 is an abundant number, since it is smaller than the sum of its proper divisors (21453491400).

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

10215947400 is a wasteful number, since it uses less digits than its factorization.

10215947400 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17026598 (or 17026589 counting only the distinct ones).

The product of its (nonzero) digits is 10080, while the sum is 33.

The spelling of 10215947400 in words is "ten billion, two hundred fifteen million, nine hundred forty-seven thousand, four hundred".