400133769 has 8 divisors (see below), whose sum is σ = 609727680. Its totient is φ = 228647856.

The previous prime is 400133753. The next prime is 400133803. The reversal of 400133769 is 967331004.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 400133769 - 2⁴ = 400133753 is a prime.

It is a super-2 number, since 2×400133769² = 320214066188290722, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (400133269) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 9526974 + ... + 9527015.

It is an arithmetic number, because the mean of its divisors is an integer number (76215960).

Almost surely, 2^400133769 is an apocalyptic number.

It is an amenable number.

400133769 is a deficient number, since it is larger than the sum of its proper divisors (209593911).

400133769 is a wasteful number, since it uses less digits than its factorization.

400133769 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19053999.

The product of its (nonzero) digits is 13608, while the sum is 33.

The square root of 400133769 is about 20003.3439454507. The cubic root of 400133769 is about 736.8884254421. Note that the first 3 decimals are identical.

The spelling of 400133769 in words is "four hundred million, one hundred thirty-three thousand, seven hundred sixty-nine".