400050541 has 4 divisors (see below), whose sum is σ = 436418784. Its totient is φ = 363682300.

The previous prime is 400050517. The next prime is 400050557. The reversal of 400050541 is 145050004.

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 a cyclic number.

It is not a de Polignac number, because 400050541 - 2⁹ = 400050029 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 (400450541) 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, 18184105 + ... + 18184126.

It is an arithmetic number, because the mean of its divisors is an integer number (109104696).

Almost surely, 2^400050541 is an apocalyptic number.

It is an amenable number.

400050541 is a deficient number, since it is larger than the sum of its proper divisors (36368243).

400050541 is a wasteful number, since it uses less digits than its factorization.

400050541 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 36368242.

The product of its (nonzero) digits is 400, while the sum is 19.

The square root of 400050541 is about 20001.2634850901. The cubic root of 400050541 is about 736.8373308605.

The spelling of 400050541 in words is "four hundred million, fifty thousand, five hundred forty-one".