836040426 has 32 divisors (see below), whose sum is σ = 1858795008. Its totient is φ = 248944320.

The previous prime is 836040421. The next prime is 836040427. The reversal of 836040426 is 624040638.

It is a super-2 number, since 2×836040426² = 1397927187812522952, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (836040421) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 170461 + ... + 175296.

It is an arithmetic number, because the mean of its divisors is an integer number (58087344).

Almost surely, 2^836040426 is an apocalyptic number.

836040426 is an abundant number, since it is smaller than the sum of its proper divisors (1022754582).

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

836040426 is a wasteful number, since it uses less digits than its factorization.

836040426 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 345806.

The product of its (nonzero) digits is 27648, while the sum is 33.

The square root of 836040426 is about 28914.3636623738. The cubic root of 836040426 is about 942.0539161625.

The spelling of 836040426 in words is "eight hundred thirty-six million, forty thousand, four hundred twenty-six".