42940326 has 32 divisors (see below), whose sum is σ = 100896768. Its totient is φ = 12011040.

The previous prime is 42940309. The next prime is 42940343. The reversal of 42940326 is 62304924.

It is an interprime number because it is at equal distance from previous prime (42940309) and next prime (42940343).

It is a junction number, because it is equal to n+sod(n) for n = 42940293 and 42940302.

It is a congruent number.

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, 24166 + ... + 25881.

It is an arithmetic number, because the mean of its divisors is an integer number (3153024).

Almost surely, 2^42940326 is an apocalyptic number.

42940326 is an abundant number, since it is smaller than the sum of its proper divisors (57956442).

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

42940326 is a wasteful number, since it uses less digits than its factorization.

42940326 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 50076.

The product of its (nonzero) digits is 10368, while the sum is 30.

The square root of 42940326 is about 6552.8868447426. The cubic root of 42940326 is about 350.1776676199.

It can be divided in two parts, 429 and 40326, that added together give a triangular number (40755 = T₂₈₅).

The spelling of 42940326 in words is "forty-two million, nine hundred forty thousand, three hundred twenty-six".