40310022402 has 24 divisors (see below), whose sum is σ = 94056719484. Its totient is φ = 12403083744.

The previous prime is 40310022353. The next prime is 40310022407. The reversal of 40310022402 is 20422001304.

It can be written as a sum of positive squares in 2 ways, for example, as 33255534321 + 7054488081 = 182361^2 + 83991^2 .

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

It is not an unprimeable number, because it can be changed into a prime (40310022407) 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, 86132293 + ... + 86132760.

Almost surely, 2^40310022402 is an apocalyptic number.

40310022402 is an abundant number, since it is smaller than the sum of its proper divisors (53746697082).

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

40310022402 is a wasteful number, since it uses less digits than its factorization.

40310022402 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 172265074 (or 172265071 counting only the distinct ones).

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

Adding to 40310022402 its reverse (20422001304), we get a palindrome (60732023706).

The spelling of 40310022402 in words is "forty billion, three hundred ten million, twenty-two thousand, four hundred two".