40245666654204 has 144 divisors (see below), whose sum is σ = 114706992395520. Its totient is φ = 12193684509600.

The previous prime is 40245666654163. The next prime is 40245666654241.

40245666654204 is nontrivially palindromic in base 10.

It is a Harshad number since it is a multiple of its sum of digits (54).

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, 81599019 + ... + 82090749.

It is an arithmetic number, because the mean of its divisors is an integer number (796576336080).

Almost surely, 2^{40245666654204} is an apocalyptic number.

40245666654204 is a gapful number since it is divisible by the number (44) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 40245666654204, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (57353496197760).

40245666654204 is an abundant number, since it is smaller than the sum of its proper divisors (74461325741316).

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

40245666654204 is a wasteful number, since it uses less digits than its factorization.

40245666654204 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 498029 (or 498010 counting only the distinct ones).

The product of its (nonzero) digits is 33177600, while the sum is 54.

The spelling of 40245666654204 in words is "forty trillion, two hundred forty-five billion, six hundred sixty-six million, six hundred fifty-four thousand, two hundred four".