40122420532 has 12 divisors (see below), whose sum is σ = 70426365856. Its totient is φ = 20000601720.

The previous prime is 40122420467. The next prime is 40122420557. The reversal of 40122420532 is 23502422104.

It is a junction number, because it is equal to n+sod(n) for n = 40122420497 and 40122420506.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 15150648 + ... + 15153295.

Almost surely, 2^40122420532 is an apocalyptic number.

It is an amenable number.

40122420532 is a deficient number, since it is larger than the sum of its proper divisors (30303945324).

40122420532 is a wasteful number, since it uses less digits than its factorization.

40122420532 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 30304278 (or 30304276 counting only the distinct ones).

The product of its (nonzero) digits is 3840, while the sum is 25.

Adding to 40122420532 its reverse (23502422104), we get a palindrome (63624842636).

The spelling of 40122420532 in words is "forty billion, one hundred twenty-two million, four hundred twenty thousand, five hundred thirty-two".