10365544440 has 48 divisors (see below), whose sum is σ = 33688020600. Its totient is φ = 2764145088.

The previous prime is 10365544403. The next prime is 10365544457. The reversal of 10365544440 is 4444556301.

10365544440 is a `hidden beast` number, since 10 + 3 + 65 + 544 + 4 + 40 = 666.

It is a super-2 number, since 2×10365544440² (a number of 21 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a junction number, because it is equal to n+sod(n) for n = 10365544395 and 10365544404.

It is a congruent 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, 14396230 + ... + 14396949.

Almost surely, 2^10365544440 is an apocalyptic number.

10365544440 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

10365544440 is an abundant number, since it is smaller than the sum of its proper divisors (23322476160).

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

10365544440 is a wasteful number, since it uses less digits than its factorization.

10365544440 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28793196 (or 28793189 counting only the distinct ones).

The product of its (nonzero) digits is 115200, while the sum is 36.

The spelling of 10365544440 in words is "ten billion, three hundred sixty-five million, five hundred forty-four thousand, four hundred forty".