40380834 has 32 divisors (see below), whose sum is σ = 87240384. Its totient is φ = 12386880.

The previous prime is 40380787. The next prime is 40380853. The reversal of 40380834 is 43808304.

It is a super-2 number, since 2×40380834² = 3261223509071112, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 35397 + ... + 36519.

It is an arithmetic number, because the mean of its divisors is an integer number (2726262).

Almost surely, 2^40380834 is an apocalyptic number.

40380834 is an abundant number, since it is smaller than the sum of its proper divisors (46859550).

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

40380834 is a wasteful number, since it uses less digits than its factorization.

40380834 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1602.

The product of its (nonzero) digits is 9216, while the sum is 30.

The square root of 40380834 is about 6354.5915683071. The cubic root of 40380834 is about 343.0771245508.

It can be divided in two parts, 40380 and 834, that added together give a palindrome (41214).

The spelling of 40380834 in words is "forty million, three hundred eighty thousand, eight hundred thirty-four".