40074666345 has 96 divisors (see below), whose sum is σ = 80255066112. Its totient is φ = 18120001536.

The previous prime is 40074666329. The next prime is 40074666413. The reversal of 40074666345 is 54366647004.

It is a happy number.

It is not a de Polignac number, because 40074666345 - 2⁴ = 40074666329 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a self number, because there is not a number n which added to its sum of digits gives 40074666345.

It is an unprimeable number.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 24096984 + ... + 24098646.

It is an arithmetic number, because the mean of its divisors is an integer number (835990272).

Almost surely, 2^40074666345 is an apocalyptic number.

40074666345 is a gapful number since it is divisible by the number (45) formed by its first and last digit.

It is an amenable number.

40074666345 is an abundant number, since it is smaller than the sum of its proper divisors (40180399767).

40074666345 is a wasteful number, since it uses less digits than its factorization.

40074666345 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2471 (or 2468 counting only the distinct ones).

The product of its (nonzero) digits is 1451520, while the sum is 45.

The spelling of 40074666345 in words is "forty billion, seventy-four million, six hundred sixty-six thousand, three hundred forty-five".