400226136 has 32 divisors (see below), whose sum is σ = 1002034800. Its totient is φ = 133212800.

The previous prime is 400226119. The next prime is 400226201. The reversal of 400226136 is 631622004.

It is a Harshad number since it is a multiple of its sum of digits (24).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4930 + ... + 28718.

Almost surely, 2^400226136 is an apocalyptic number.

It is an amenable number.

400226136 is an abundant number, since it is smaller than the sum of its proper divisors (601808664).

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

400226136 is a wasteful number, since it uses less digits than its factorization.

400226136 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24499 (or 24495 counting only the distinct ones).

The product of its (nonzero) digits is 1728, while the sum is 24.

The square root of 400226136 is about 20005.6526012025. The cubic root of 400226136 is about 736.9451222619.

The spelling of 400226136 in words is "four hundred million, two hundred twenty-six thousand, one hundred thirty-six".