40403034 has 24 divisors (see below), whose sum is σ = 100045920. Its totient is φ = 11543688.

The previous prime is 40403021. The next prime is 40403039. The reversal of 40403034 is 43030404.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a junction number, because it is equal to n+sod(n) for n = 40402998 and 40403016.

It is not an unprimeable number, because it can be changed into a prime (40403039) 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, 160204 + ... + 160455.

It is an arithmetic number, because the mean of its divisors is an integer number (4168580).

Almost surely, 2^40403034 is an apocalyptic number.

40403034 is an abundant number, since it is smaller than the sum of its proper divisors (59642886).

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

40403034 is a wasteful number, since it uses less digits than its factorization.

40403034 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 320674 (or 320671 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 18.

The square root of 40403034 is about 6356.3380967346. The cubic root of 40403034 is about 343.1399837187.

Adding to 40403034 its reverse (43030404), we get a palindrome (83433438).

The spelling of 40403034 in words is "forty million, four hundred three thousand, thirty-four".