40023201402 has 48 divisors (see below), whose sum is σ = 90315119232. Its totient is φ = 12797658720.

The previous prime is 40023201391. The next prime is 40023201457. The reversal of 40023201402 is 20410232004.

40023201402 is a `hidden beast` number, since 40 + 0 + 23 + 201 + 402 = 666.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 375918 + ... + 470489.

It is an arithmetic number, because the mean of its divisors is an integer number (1881564984).

Almost surely, 2^40023201402 is an apocalyptic number.

40023201402 is an abundant number, since it is smaller than the sum of its proper divisors (50291917830).

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

40023201402 is a wasteful number, since it uses less digits than its factorization.

40023201402 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 846523 (or 846520 counting only the distinct ones).

The product of its (nonzero) digits is 384, while the sum is 18.

Adding to 40023201402 its reverse (20410232004), we get a palindrome (60433433406).

The spelling of 40023201402 in words is "forty billion, twenty-three million, two hundred one thousand, four hundred two".