400332033431 has 8 divisors (see below), whose sum is σ = 462415611024. Its totient is φ = 342530081920.

The previous prime is 400332033377. The next prime is 400332033461. The reversal of 400332033431 is 134330233004.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 400332033431 - 2³⁴ = 383152164247 is a prime.

It is a super-2 number, since 2×400332033431² (a number of 24 digits) contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 400332033431.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (400332033461) 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, 1070406320 + ... + 1070406693.

It is an arithmetic number, because the mean of its divisors is an integer number (57801951378).

Almost surely, 2^400332033431 is an apocalyptic number.

400332033431 is a deficient number, since it is larger than the sum of its proper divisors (62083577593).

400332033431 is a wasteful number, since it uses less digits than its factorization.

400332033431 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2140813041.

The product of its (nonzero) digits is 7776, while the sum is 26.

Adding to 400332033431 its reverse (134330233004), we get a palindrome (534662266435).

The spelling of 400332033431 in words is "four hundred billion, three hundred thirty-two million, thirty-three thousand, four hundred thirty-one".