40903830 has 96 divisors (see below), whose sum is σ = 117711360. Its totient is φ = 9771840.

The previous prime is 40903829. The next prime is 40903843. The reversal of 40903830 is 3830904.

It is a junction number, because it is equal to n+sod(n) for n = 40903794 and 40903803.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 77949 + ... + 78471.

It is an arithmetic number, because the mean of its divisors is an integer number (1226160).

Almost surely, 2^40903830 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 40903830, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (58855680).

40903830 is an abundant number, since it is smaller than the sum of its proper divisors (76807530).

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

40903830 is a wasteful number, since it uses less digits than its factorization.

40903830 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 626 (or 623 counting only the distinct ones).

The product of its (nonzero) digits is 2592, while the sum is 27.

The square root of 40903830 is about 6395.6102132635. The cubic root of 40903830 is about 344.5519072332.

The spelling of 40903830 in words is "forty million, nine hundred three thousand, eight hundred thirty".