40121934 has 16 divisors (see below), whose sum is σ = 80323920. Its totient is φ = 13360640.

The previous prime is 40121923. The next prime is 40121941. The reversal of 40121934 is 43912104.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4654 + ... + 10094.

It is an arithmetic number, because the mean of its divisors is an integer number (5020245).

Almost surely, 2^40121934 is an apocalyptic number.

40121934 is an abundant number, since it is smaller than the sum of its proper divisors (40201986).

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

40121934 is a wasteful number, since it uses less digits than its factorization.

40121934 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6675.

The product of its (nonzero) digits is 864, while the sum is 24.

The square root of 40121934 is about 6334.1877143009. The cubic root of 40121934 is about 342.3423438363.

The spelling of 40121934 in words is "forty million, one hundred twenty-one thousand, nine hundred thirty-four".