40115534342 has 32 divisors (see below), whose sum is σ = 65209517184. Its totient is φ = 18398793600.

The previous prime is 40115534317. The next prime is 40115534383. The reversal of 40115534342 is 24343551104.

It is a junction number, because it is equal to n+sod(n) for n = 40115534299 and 40115534308.

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, 2790092 + ... + 2804432.

It is an arithmetic number, because the mean of its divisors is an integer number (2037797412).

Almost surely, 2^40115534342 is an apocalyptic number.

40115534342 is a deficient number, since it is larger than the sum of its proper divisors (25093982842).

40115534342 is a wasteful number, since it uses less digits than its factorization.

40115534342 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15024.

The product of its (nonzero) digits is 28800, while the sum is 32.

The spelling of 40115534342 in words is "forty billion, one hundred fifteen million, five hundred thirty-four thousand, three hundred forty-two".