10440749547 has 12 divisors (see below), whose sum is σ = 15431806104. Its totient is φ = 6798627360.

The previous prime is 10440749533. The next prime is 10440749549. The reversal of 10440749547 is 74594704401.

10440749547 is a `hidden beast` number, since 10 + 440 + 74 + 95 + 47 = 666.

It is not a de Polignac number, because 10440749547 - 2⁴ = 10440749531 is a prime.

It is a super-2 number, since 2×10440749547² (a number of 21 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (10440749549) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 13488954 + ... + 13489727.

It is an arithmetic number, because the mean of its divisors is an integer number (1285983842).

Almost surely, 2^10440749547 is an apocalyptic number.

10440749547 is a deficient number, since it is larger than the sum of its proper divisors (4991056557).

10440749547 is a wasteful number, since it uses less digits than its factorization.

10440749547 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26978730 (or 26978727 counting only the distinct ones).

The product of its (nonzero) digits is 564480, while the sum is 45.

The spelling of 10440749547 in words is "ten billion, four hundred forty million, seven hundred forty-nine thousand, five hundred forty-seven".