40375832636 has 12 divisors (see below), whose sum is σ = 72300909912. Its totient is φ = 19718429808.

The previous prime is 40375832633. The next prime is 40375832663. The reversal of 40375832636 is 63623857304.

It is a super-2 number, since 2×40375832636² (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40375832633) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 117371435 + ... + 117371778.

It is an arithmetic number, because the mean of its divisors is an integer number (6025075826).

Almost surely, 2^40375832636 is an apocalyptic number.

It is an amenable number.

40375832636 is a deficient number, since it is larger than the sum of its proper divisors (31925077276).

40375832636 is a wasteful number, since it uses less digits than its factorization.

40375832636 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 234743260 (or 234743258 counting only the distinct ones).

The product of its (nonzero) digits is 2177280, while the sum is 47.

The spelling of 40375832636 in words is "forty billion, three hundred seventy-five million, eight hundred thirty-two thousand, six hundred thirty-six".