40023051809568 has 96 divisors (see below), whose sum is σ = 105372034173504. Its totient is φ = 13301465183232.

The previous prime is 40023051809563. The next prime is 40023051809569. The reversal of 40023051809568 is 86590815032004.

It is a tau number, because it is divible by the number of its divisors (96).

It is a self number, because there is not a number n which added to its sum of digits gives 40023051809568.

It is not an unprimeable number, because it can be changed into a prime (40023051809563) 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, 466225146 + ... + 466310982.

It is an arithmetic number, because the mean of its divisors is an integer number (1097625355974).

Almost surely, 2^{40023051809568} is an apocalyptic number.

40023051809568 is a gapful number since it is divisible by the number (48) formed by its first and last digit.

It is an amenable number.

40023051809568 is an abundant number, since it is smaller than the sum of its proper divisors (65348982363936).

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

40023051809568 is a wasteful number, since it uses less digits than its factorization.

40023051809568 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 100194 (or 100186 counting only the distinct ones).

The product of its (nonzero) digits is 2073600, while the sum is 51.

The spelling of 40023051809568 in words is "forty trillion, twenty-three billion, fifty-one million, eight hundred nine thousand, five hundred sixty-eight".