400502141 has 8 divisors (see below), whose sum is σ = 436507680. Its totient is φ = 365239152.

The previous prime is 400502131. The next prime is 400502147. The reversal of 400502141 is 141205004.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-400502141 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (400502147) 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, 184511 + ... + 186668.

It is an arithmetic number, because the mean of its divisors is an integer number (54563460).

Almost surely, 2^400502141 is an apocalyptic number.

It is an amenable number.

400502141 is a deficient number, since it is larger than the sum of its proper divisors (36005539).

400502141 is a wasteful number, since it uses less digits than its factorization.

400502141 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 371275.

The product of its (nonzero) digits is 160, while the sum is 17.

The square root of 400502141 is about 20012.5495876962. The cubic root of 400502141 is about 737.1144880125.

Adding to 400502141 its reverse (141205004), we get a palindrome (541707145).

The spelling of 400502141 in words is "four hundred million, five hundred two thousand, one hundred forty-one".