40402033405090 has 32 divisors (see below), whose sum is σ = 83378290435200. Its totient is φ = 13807869738624.

The previous prime is 40402033405087. The next prime is 40402033405091. The reversal of 40402033405090 is 9050433020404.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (40402033405091) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 921977940 + ... + 922021759.

It is an arithmetic number, because the mean of its divisors is an integer number (2605571576100).

Almost surely, 2^{40402033405090} is an apocalyptic number.

40402033405090 is an abundant number, since it is smaller than the sum of its proper divisors (42976257030110).

40402033405090 is a wasteful number, since it uses less digits than its factorization.

40402033405090 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1844000026.

The product of its (nonzero) digits is 51840, while the sum is 34.

Adding to 40402033405090 its reverse (9050433020404), we get a palindrome (49452466425494).

The spelling of 40402033405090 in words is "forty trillion, four hundred two billion, thirty-three million, four hundred five thousand, ninety".