400371141 has 4 divisors (see below), whose sum is σ = 533828192. Its totient is φ = 266914092.

The previous prime is 400371119. The next prime is 400371149. The reversal of 400371141 is 141173004.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 400371141 - 2⁶ = 400371077 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 (400371149) 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, 66728521 + ... + 66728526.

It is an arithmetic number, because the mean of its divisors is an integer number (133457048).

Almost surely, 2^400371141 is an apocalyptic number.

It is an amenable number.

400371141 is a deficient number, since it is larger than the sum of its proper divisors (133457051).

400371141 is a wasteful number, since it uses less digits than its factorization.

400371141 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 133457050.

The product of its (nonzero) digits is 336, while the sum is 21.

The square root of 400371141 is about 20009.2763737223. The cubic root of 400371141 is about 737.0341118063.

The spelling of 400371141 in words is "four hundred million, three hundred seventy-one thousand, one hundred forty-one".