40123893334 has 24 divisors (see below), whose sum is σ = 70022571120. Its totient is φ = 17193382416.

The previous prime is 40123893331. The next prime is 40123893349. The reversal of 40123893334 is 43339832104.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40123893331) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 721824 + ... + 775420.

It is an arithmetic number, because the mean of its divisors is an integer number (2917607130).

Almost surely, 2^40123893334 is an apocalyptic number.

40123893334 is a deficient number, since it is larger than the sum of its proper divisors (29898677786).

40123893334 is a wasteful number, since it uses less digits than its factorization.

40123893334 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 61252 (or 61245 counting only the distinct ones).

The product of its (nonzero) digits is 186624, while the sum is 40.

The spelling of 40123893334 in words is "forty billion, one hundred twenty-three million, eight hundred ninety-three thousand, three hundred thirty-four".