40066253424 has 100 divisors (see below), whose sum is σ = 116564935696. Its totient is φ = 13286135808.

The previous prime is 40066253393. The next prime is 40066253431. The reversal of 40066253424 is 42435266004.

40066253424 is a `hidden beast` number, since 4 + 0 + 0 + 6 + 625 + 3 + 4 + 24 = 666.

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 170037 + ... + 330219.

Almost surely, 2^40066253424 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 40066253424, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (58282467848).

40066253424 is an abundant number, since it is smaller than the sum of its proper divisors (76498682272).

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

40066253424 is a wasteful number, since it uses less digits than its factorization.

40066253424 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 160396 (or 160381 counting only the distinct ones).

The product of its (nonzero) digits is 138240, while the sum is 36.

The spelling of 40066253424 in words is "forty billion, sixty-six million, two hundred fifty-three thousand, four hundred twenty-four".