40308843042 has 48 divisors (see below), whose sum is σ = 94338299328. Its totient is φ = 12365226720.

The previous prime is 40308843023. The next prime is 40308843049. The reversal of 40308843042 is 24034880304.

40308843042 is a `hidden beast` number, since 40 + 308 + 8 + 4 + 304 + 2 = 666.

It is a junction number, because it is equal to n+sod(n) for n = 40308842988 and 40308843006.

It is not an unprimeable number, because it can be changed into a prime (40308843049) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 182758 + ... + 337665.

It is an arithmetic number, because the mean of its divisors is an integer number (1965381236).

Almost surely, 2^40308843042 is an apocalyptic number.

40308843042 is an abundant number, since it is smaller than the sum of its proper divisors (54029456286).

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

40308843042 is a wasteful number, since it uses less digits than its factorization.

40308843042 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 520775 (or 520772 counting only the distinct ones).

The product of its (nonzero) digits is 73728, while the sum is 36.

The spelling of 40308843042 in words is "forty billion, three hundred eight million, eight hundred forty-three thousand, forty-two".