400150211 has 4 divisors (see below), whose sum is σ = 402463392. Its totient is φ = 397837032.

The previous prime is 400150193. The next prime is 400150243. The reversal of 400150211 is 112051004.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-400150211 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (400150271) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1156331 + ... + 1156676.

It is an arithmetic number, because the mean of its divisors is an integer number (100615848).

Almost surely, 2^400150211 is an apocalyptic number.

400150211 is a deficient number, since it is larger than the sum of its proper divisors (2313181).

400150211 is a wasteful number, since it uses less digits than its factorization.

400150211 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2313180.

The product of its (nonzero) digits is 40, while the sum is 14.

The square root of 400150211 is about 20003.7549225139. The cubic root of 400150211 is about 736.8985185280.

The spelling of 400150211 in words is "four hundred million, one hundred fifty thousand, two hundred eleven".