40123337712642 has 24 divisors (see below), whose sum is σ = 86988954739440. Its totient is φ = 13365975694680.

The previous prime is 40123337712637. The next prime is 40123337712671. The reversal of 40123337712642 is 24621773332104.

40123337712642 is a `hidden beast` number, since 4 + 0 + 1 + 233 + 377 + 1 + 2 + 6 + 42 = 666.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 705821584 + ... + 705878427.

It is an arithmetic number, because the mean of its divisors is an integer number (3624539780810).

Almost surely, 2^{40123337712642} is an apocalyptic number.

40123337712642 is an abundant number, since it is smaller than the sum of its proper divisors (46865617026798).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

40123337712642 is a wasteful number, since it uses less digits than its factorization.

40123337712642 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1411701598 (or 1411701595 counting only the distinct ones).

The product of its (nonzero) digits is 1016064, while the sum is 45.

The spelling of 40123337712642 in words is "forty trillion, one hundred twenty-three billion, three hundred thirty-seven million, seven hundred twelve thousand, six hundred forty-two".