10447793640 has 64 divisors (see below), whose sum is σ = 34825982400. Its totient is φ = 2786078016.

The previous prime is 10447793621. The next prime is 10447793641. The reversal of 10447793640 is 4639774401.

10447793640 is a `hidden beast` number, since 104 + 477 + 9 + 36 + 40 = 666.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is not an unprimeable number, because it can be changed into a prime (10447793641) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4835862 + ... + 4838021.

It is an arithmetic number, because the mean of its divisors is an integer number (544155975).

Almost surely, 2^10447793640 is an apocalyptic number.

10447793640 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

10447793640 is an abundant number, since it is smaller than the sum of its proper divisors (24378188760).

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

10447793640 is a wasteful number, since it uses less digits than its factorization.

10447793640 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9673903 (or 9673893 counting only the distinct ones).

The product of its (nonzero) digits is 508032, while the sum is 45.

The spelling of 10447793640 in words is "ten billion, four hundred forty-seven million, seven hundred ninety-three thousand, six hundred forty".