40023633402 has 48 divisors (see below), whose sum is σ = 90747820800. Its totient is φ = 12724547616.

The previous prime is 40023633383. The next prime is 40023633407. The reversal of 40023633402 is 20433632004.

It is a happy number.

40023633402 is a `hidden beast` number, since 4 + 0 + 0 + 23 + 633 + 4 + 0 + 2 = 666.

40023633402 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not an unprimeable number, because it can be changed into a prime (40023633407) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 5983 + ... + 282989.

It is an arithmetic number, because the mean of its divisors is an integer number (1890579600).

Almost surely, 2^40023633402 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 40023633402, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (45373910400).

40023633402 is an abundant number, since it is smaller than the sum of its proper divisors (50724187398).

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

40023633402 is a wasteful number, since it uses less digits than its factorization.

40023633402 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 277387 (or 277384 counting only the distinct ones).

The product of its (nonzero) digits is 10368, while the sum is 27.

The spelling of 40023633402 in words is "forty billion, twenty-three million, six hundred thirty-three thousand, four hundred two".