400155142353 has 8 divisors (see below), whose sum is σ = 544892108928. Its totient is φ = 261094135344.

The previous prime is 400155142327. The next prime is 400155142421. The reversal of 400155142353 is 353241551004.

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

It is not a de Polignac number, because 400155142353 - 2²⁸ = 399886706897 is a prime.

It is a super-3 number, since 3×400155142353³ (a number of 36 digits) contains 333 as substring.

It is not an unprimeable number, because it can be changed into a prime (400155142253) 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, 1418989726 + ... + 1418990007.

It is an arithmetic number, because the mean of its divisors is an integer number (68111513616).

Almost surely, 2^400155142353 is an apocalyptic number.

It is an amenable number.

400155142353 is a deficient number, since it is larger than the sum of its proper divisors (144736966575).

400155142353 is a wasteful number, since it uses less digits than its factorization.

400155142353 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2837979783.

The product of its (nonzero) digits is 36000, while the sum is 33.

Adding to 400155142353 its reverse (353241551004), we get a palindrome (753396693357).

The spelling of 400155142353 in words is "four hundred billion, one hundred fifty-five million, one hundred forty-two thousand, three hundred fifty-three".