40302666324 has 36 divisors (see below), whose sum is σ = 104629598164. Its totient is φ = 13071134592.

The previous prime is 40302666281. The next prime is 40302666329. The reversal of 40302666324 is 42366620304.

It can be written as a sum of positive squares in 2 ways, for example, as 28787230224 + 11515436100 = 169668^2 + 107310^2 .

It is a tau number, because it is divible by the number of its divisors (36).

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40302666329) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 15127297 + ... + 15129960.

Almost surely, 2^40302666324 is an apocalyptic number.

It is an amenable number.

40302666324 is an abundant number, since it is smaller than the sum of its proper divisors (64326931840).

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

40302666324 is a wasteful number, since it uses less digits than its factorization.

40302666324 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 30257304 (or 30257299 counting only the distinct ones).

The product of its (nonzero) digits is 124416, while the sum is 36.

The spelling of 40302666324 in words is "forty billion, three hundred two million, six hundred sixty-six thousand, three hundred twenty-four".