40422001402 has 16 divisors (see below), whose sum is σ = 63830914560. Its totient is φ = 19145253312.

The previous prime is 40422001397. The next prime is 40422001409. The reversal of 40422001402 is 20410022404.

It is a Harshad number since it is a multiple of its sum of digits (19).

It is a self number, because there is not a number n which added to its sum of digits gives 40422001402.

It is not an unprimeable number, because it can be changed into a prime (40422001409) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 348903 + ... + 450085.

It is an arithmetic number, because the mean of its divisors is an integer number (3989432160).

Almost surely, 2^40422001402 is an apocalyptic number.

40422001402 is a deficient number, since it is larger than the sum of its proper divisors (23408913158).

40422001402 is a wasteful number, since it uses less digits than its factorization.

40422001402 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 111717.

The product of its (nonzero) digits is 512, while the sum is 19.

Adding to 40422001402 its reverse (20410022404), we get a palindrome (60832023806).

The spelling of 40422001402 in words is "forty billion, four hundred twenty-two million, one thousand, four hundred two".