40221234234 has 64 divisors (see below), whose sum is σ = 89805744000. Its totient is φ = 13343460480.

The previous prime is 40221234223. The next prime is 40221234253. The reversal of 40221234234 is 43243212204.

40221234234 is a `hidden beast` number, since 402 + 2 + 1 + 23 + 4 + 234 = 666.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a junction number, because it is equal to n+sod(n) for n = 40221234198 and 40221234207.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 10842372 + ... + 10846080.

It is an arithmetic number, because the mean of its divisors is an integer number (1403214750).

Almost surely, 2^40221234234 is an apocalyptic number.

40221234234 is an abundant number, since it is smaller than the sum of its proper divisors (49584509766).

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

40221234234 is a wasteful number, since it uses less digits than its factorization.

40221234234 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4620 (or 4614 counting only the distinct ones).

The product of its (nonzero) digits is 9216, while the sum is 27.

Adding to 40221234234 its reverse (43243212204), we get a palindrome (83464446438).

The spelling of 40221234234 in words is "forty billion, two hundred twenty-one million, two hundred thirty-four thousand, two hundred thirty-four".