39446876145 has 16 divisors (see below), whose sum is σ = 63137348352. Its totient is φ = 21030885120.

The previous prime is 39446876141. The next prime is 39446876153. The reversal of 39446876145 is 54167864493.

It is not a de Polignac number, because 39446876145 - 2² = 39446876141 is a prime.

It is a super-2 number, since 2×39446876145² (a number of 22 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (39446876141) 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, 421641 + ... + 506630.

It is an arithmetic number, because the mean of its divisors is an integer number (3946084272).

Almost surely, 2^39446876145 is an apocalyptic number.

It is an amenable number.

39446876145 is a deficient number, since it is larger than the sum of its proper divisors (23690472207).

39446876145 is a wasteful number, since it uses less digits than its factorization.

39446876145 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 931112.

The product of its digits is 17418240, while the sum is 57.

The spelling of 39446876145 in words is "thirty-nine billion, four hundred forty-six million, eight hundred seventy-six thousand, one hundred forty-five".