40132430 has 24 divisors (see below), whose sum is σ = 78225912. Its totient is φ = 14817504.

The previous prime is 40132429. The next prime is 40132439. The reversal of 40132430 is 3423104.

It is a super-2 number, since 2×40132430² = 3221223875409800, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 40132399 and 40132408.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40132439) 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, 10184 + ... + 13563.

It is an arithmetic number, because the mean of its divisors is an integer number (3259413).

Almost surely, 2^40132430 is an apocalyptic number.

40132430 is a deficient number, since it is larger than the sum of its proper divisors (38093482).

40132430 is a wasteful number, since it uses less digits than its factorization.

40132430 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23780 (or 23767 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 17.

The square root of 40132430 is about 6335.0161799320. The cubic root of 40132430 is about 342.3721937761.

Adding to 40132430 its reverse (3423104), we get a palindrome (43555534).

The spelling of 40132430 in words is "forty million, one hundred thirty-two thousand, four hundred thirty".