40446755013 has 32 divisors (see below), whose sum is σ = 62849260800. Its totient is φ = 22657130496.

The previous prime is 40446755003. The next prime is 40446755029. The reversal of 40446755013 is 31055764404.

It is a happy number.

It is not a de Polignac number, because 40446755013 - 2¹⁶ = 40446689477 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40446755003) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1353093 + ... + 1382661.

It is an arithmetic number, because the mean of its divisors is an integer number (1964039400).

Almost surely, 2^40446755013 is an apocalyptic number.

It is an amenable number.

40446755013 is a deficient number, since it is larger than the sum of its proper divisors (22402505787).

40446755013 is a wasteful number, since it uses less digits than its factorization.

40446755013 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 30861.

The product of its (nonzero) digits is 201600, while the sum is 39.

The spelling of 40446755013 in words is "forty billion, four hundred forty-six million, seven hundred fifty-five thousand, thirteen".