40448580418515 has 16 divisors (see below), whose sum is σ = 66296209857696. Its totient is φ = 21046415827200.

The previous prime is 40448580418513. The next prime is 40448580418553. The reversal of 40448580418515 is 51581408584404.

It is not a de Polignac number, because 40448580418515 - 2¹ = 40448580418513 is a prime.

It is not an unprimeable number, because it can be changed into a prime (40448580418511) 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, 32885024116 + ... + 32885025345.

It is an arithmetic number, because the mean of its divisors is an integer number (4143513116106).

Almost surely, 2^{40448580418515} is an apocalyptic number.

40448580418515 is a deficient number, since it is larger than the sum of its proper divisors (25847629439181).

40448580418515 is a wasteful number, since it uses less digits than its factorization.

40448580418515 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 65770049510.

The product of its (nonzero) digits is 16384000, while the sum is 57.

The spelling of 40448580418515 in words is "forty trillion, four hundred forty-eight billion, five hundred eighty million, four hundred eighteen thousand, five hundred fifteen".