40041430 has 32 divisors (see below), whose sum is σ = 84678048. Its totient is φ = 13440000.

The previous prime is 40041389. The next prime is 40041451. The reversal of 40041430 is 3414004.

It is a super-2 number, since 2×40041430² = 3206632232889800, which contains 22 as substring.

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, 12571 + ... + 15430.

It is an arithmetic number, because the mean of its divisors is an integer number (2646189).

Almost surely, 2^40041430 is an apocalyptic number.

40041430 is an abundant number, since it is smaller than the sum of its proper divisors (44636618).

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

40041430 is a wasteful number, since it uses less digits than its factorization.

40041430 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28032.

The product of its (nonzero) digits is 192, while the sum is 16.

The square root of 40041430 is about 6327.8298017567. The cubic root of 40041430 is about 342.1132224329.

Adding to 40041430 its reverse (3414004), we get a palindrome (43455434).

The spelling of 40041430 in words is "forty million, forty-one thousand, four hundred thirty".