40245373455615 has 48 divisors (see below), whose sum is σ = 73058561555616. Its totient is φ = 21251682288000.

The previous prime is 40245373455583. The next prime is 40245373455629. The reversal of 40245373455615 is 51655437354204.

40245373455615 is a `hidden beast` number, since 4 + 0 + 2 + 4 + 5 + 3 + 73 + 4 + 5 + 561 + 5 = 666.

It is not a de Polignac number, because 40245373455615 - 2⁵ = 40245373455583 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 163856316 + ... + 164101745.

It is an arithmetic number, because the mean of its divisors is an integer number (1522053365742).

Almost surely, 2^{40245373455615} is an apocalyptic number.

40245373455615 is a gapful number since it is divisible by the number (45) formed by its first and last digit.

40245373455615 is a deficient number, since it is larger than the sum of its proper divisors (32813188100001).

40245373455615 is a wasteful number, since it uses less digits than its factorization.

40245373455615 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 327958182 (or 327958170 counting only the distinct ones).

The product of its (nonzero) digits is 30240000, while the sum is 54.

The spelling of 40245373455615 in words is "forty trillion, two hundred forty-five billion, three hundred seventy-three million, four hundred fifty-five thousand, six hundred fifteen".