40345448187 has 16 divisors (see below), whose sum is σ = 58712480640. Its totient is φ = 24440040000.

The previous prime is 40345448167. The next prime is 40345448207. The reversal of 40345448187 is 78184454304.

It is an interprime number because it is at equal distance from previous prime (40345448167) and next prime (40345448207).

It is not a de Polignac number, because 40345448187 - 2⁶ = 40345448123 is a prime.

It is not an unprimeable number, because it can be changed into a prime (40345448167) 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, 223689 + ... + 361562.

It is an arithmetic number, because the mean of its divisors is an integer number (3669530040).

Almost surely, 2^40345448187 is an apocalyptic number.

40345448187 is a deficient number, since it is larger than the sum of its proper divisors (18367032453).

40345448187 is a wasteful number, since it uses less digits than its factorization.

40345448187 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 587354.

The product of its (nonzero) digits is 1720320, while the sum is 48.

The spelling of 40345448187 in words is "forty billion, three hundred forty-five million, four hundred forty-eight thousand, one hundred eighty-seven".