40012054342 has 24 divisors (see below), whose sum is σ = 65501796096. Its totient is φ = 18321672096.

The previous prime is 40012054321. The next prime is 40012054363. The reversal of 40012054342 is 24345021004.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (40012054321) and next prime (40012054363).

It is a super-2 number, since 2×40012054342² (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 423133 + ... + 508984.

It is an arithmetic number, because the mean of its divisors is an integer number (2729241504).

Almost surely, 2^40012054342 is an apocalyptic number.

40012054342 is a deficient number, since it is larger than the sum of its proper divisors (25489741754).

40012054342 is a wasteful number, since it uses less digits than its factorization.

40012054342 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 932272 (or 932259 counting only the distinct ones).

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

Adding to 40012054342 its reverse (24345021004), we get a palindrome (64357075346).

The spelling of 40012054342 in words is "forty billion, twelve million, fifty-four thousand, three hundred forty-two".