40218404050 has 48 divisors (see below), whose sum is σ = 81993796704. Its totient is φ = 14555520000.

The previous prime is 40218404047. The next prime is 40218404053. The reversal of 40218404050 is 5040481204.

It is an interprime number because it is at equal distance from previous prime (40218404047) and next prime (40218404053).

It is not an unprimeable number, because it can be changed into a prime (40218404053) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 57231 + ... + 289330.

It is an arithmetic number, because the mean of its divisors is an integer number (1708204098).

Almost surely, 2^40218404050 is an apocalyptic number.

40218404050 is an abundant number, since it is smaller than the sum of its proper divisors (41775392654).

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

40218404050 is a wasteful number, since it uses less digits than its factorization.

40218404050 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 346795 (or 346790 counting only the distinct ones).

The product of its (nonzero) digits is 5120, while the sum is 28.

Adding to 40218404050 its reverse (5040481204), we get a palindrome (45258885254).

The spelling of 40218404050 in words is "forty billion, two hundred eighteen million, four hundred four thousand, fifty".