436406040 has 96 divisors (see below), whose sum is σ = 1620946080. Its totient is φ = 99749376.

The previous prime is 436406039. The next prime is 436406101. The reversal of 436406040 is 40604634.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 436405995 and 436406013.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 84069 + ... + 89108.

It is an arithmetic number, because the mean of its divisors is an integer number (16884855).

Almost surely, 2^436406040 is an apocalyptic number.

436406040 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

436406040 is an abundant number, since it is smaller than the sum of its proper divisors (1184540040).

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

436406040 is a wasteful number, since it uses less digits than its factorization.

436406040 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 173201 (or 173194 counting only the distinct ones).

The product of its (nonzero) digits is 6912, while the sum is 27.

The square root of 436406040 is about 20890.3336498008. Note that the first 3 decimals coincide. The cubic root of 436406040 is about 758.5139706810.

The spelling of 436406040 in words is "four hundred thirty-six million, four hundred six thousand, forty".