40187256061485 has 48 divisors (see below), whose sum is σ = 69627316379904. Its totient is φ = 19784179374336.

The previous prime is 40187256061439. The next prime is 40187256061493. The reversal of 40187256061485 is 58416065278104.

It is not a de Polignac number, because 40187256061485 - 2²² = 40187251867181 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, 288025399 + ... + 288164891.

It is an arithmetic number, because the mean of its divisors is an integer number (1450569091248).

Almost surely, 2^{40187256061485} is an apocalyptic number.

It is an amenable number.

40187256061485 is a deficient number, since it is larger than the sum of its proper divisors (29440060318419).

40187256061485 is a wasteful number, since it uses less digits than its factorization.

40187256061485 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 253174 (or 253161 counting only the distinct ones).

The product of its (nonzero) digits is 12902400, while the sum is 57.

The spelling of 40187256061485 in words is "forty trillion, one hundred eighty-seven billion, two hundred fifty-six million, sixty-one thousand, four hundred eighty-five".