40860432 has 60 divisors (see below), whose sum is σ = 117458380. Its totient is φ = 13250304.

The previous prime is 40860427. The next prime is 40860433. The reversal of 40860432 is 23406804.

It can be written as a sum of positive squares in 2 ways, for example, as 37748736 + 3111696 = 6144^2 + 1764^2 .

It is a junction number, because it is equal to n+sod(n) for n = 40860396 and 40860405.

It is not an unprimeable number, because it can be changed into a prime (40860433) 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, 1494 + ... + 9162.

Almost surely, 2^40860432 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 40860432, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (58729190).

40860432 is an abundant number, since it is smaller than the sum of its proper divisors (76597948).

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

40860432 is a wasteful number, since it uses less digits than its factorization.

40860432 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7720 (or 7711 counting only the distinct ones).

The product of its (nonzero) digits is 4608, while the sum is 27.

The square root of 40860432 is about 6392.2165169838. The cubic root of 40860432 is about 344.4300102943.

The spelling of 40860432 in words is "forty million, eight hundred sixty thousand, four hundred thirty-two".