400965153 has 8 divisors (see below), whose sum is σ = 547053408. Its totient is φ = 261093504.

The previous prime is 400965127. The next prime is 400965181. The reversal of 400965153 is 351569004.

It is a happy number.

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

It is not a de Polignac number, because 400965153 - 2⁸ = 400964897 is a prime.

It is not an unprimeable number, because it can be changed into a prime (400965953) 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, 1554000 + ... + 1554257.

It is an arithmetic number, because the mean of its divisors is an integer number (68381676).

Almost surely, 2^400965153 is an apocalyptic number.

400965153 is a gapful number since it is divisible by the number (43) formed by its first and last digit.

It is an amenable number.

400965153 is a deficient number, since it is larger than the sum of its proper divisors (146088255).

400965153 is a wasteful number, since it uses less digits than its factorization.

400965153 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3108303.

The product of its (nonzero) digits is 16200, while the sum is 33.

The square root of 400965153 is about 20024.1142875284. The cubic root of 400965153 is about 737.3984327428.

The spelling of 400965153 in words is "four hundred million, nine hundred sixty-five thousand, one hundred fifty-three".