40001235342 has 32 divisors (see below), whose sum is σ = 80150653440. Its totient is φ = 13309074240.

The previous prime is 40001235257. The next prime is 40001235359. The reversal of 40001235342 is 24353210004.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 10696509 + ... + 10700247.

It is an arithmetic number, because the mean of its divisors is an integer number (2504707920).

Almost surely, 2^40001235342 is an apocalyptic number.

40001235342 is an abundant number, since it is smaller than the sum of its proper divisors (40149418098).

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

40001235342 is a wasteful number, since it uses less digits than its factorization.

40001235342 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6568.

The product of its (nonzero) digits is 2880, while the sum is 24.

Adding to 40001235342 its reverse (24353210004), we get a palindrome (64354445346).

The spelling of 40001235342 in words is "forty billion, one million, two hundred thirty-five thousand, three hundred forty-two".