401151794 has 4 divisors (see below), whose sum is σ = 601727694. Its totient is φ = 200575896.

The previous prime is 401151781. The next prime is 401151823. The reversal of 401151794 is 497151104.

It is a happy number.

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

It can be written as a sum of positive squares in only one way, i.e., 393506569 + 7645225 = 19837^2 + 2765^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 401151794.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 100287947 + ... + 100287950.

Almost surely, 2^401151794 is an apocalyptic number.

401151794 is a deficient number, since it is larger than the sum of its proper divisors (200575900).

401151794 is a wasteful number, since it uses less digits than its factorization.

401151794 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 200575899.

The product of its (nonzero) digits is 5040, while the sum is 32.

The square root of 401151794 is about 20028.7741512056. The cubic root of 401151794 is about 737.5128295767.

The spelling of 401151794 in words is "four hundred one million, one hundred fifty-one thousand, seven hundred ninety-four".