40220001332 has 24 divisors (see below), whose sum is σ = 81572964480. Its totient is φ = 16994365920.

The previous prime is 40220001329. The next prime is 40220001337. The reversal of 40220001332 is 23310002204.

It is a self number, because there is not a number n which added to its sum of digits gives 40220001332.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40220001337) 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, 10113707 + ... + 10117682.

It is an arithmetic number, because the mean of its divisors is an integer number (3398873520).

Almost surely, 2^40220001332 is an apocalyptic number.

It is an amenable number.

40220001332 is an abundant number, since it is smaller than the sum of its proper divisors (41352963148).

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

40220001332 is a wasteful number, since it uses less digits than its factorization.

40220001332 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20231471 (or 20231469 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 17.

Adding to 40220001332 its reverse (23310002204), we get a palindrome (63530003536).

The spelling of 40220001332 in words is "forty billion, two hundred twenty million, one thousand, three hundred thirty-two".