401350445 has 4 divisors (see below), whose sum is σ = 481620540. Its totient is φ = 321080352.

The previous prime is 401350393. The next prime is 401350489. The reversal of 401350445 is 544053104.

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

It can be written as a sum of positive squares in 2 ways, for example, as 193154404 + 208196041 = 13898^2 + 14429^2 .

It is a cyclic number.

It is not a de Polignac number, because 401350445 - 2⁶ = 401350381 is a prime.

It is a super-2 number, since 2×401350445² = 322164359403396050, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 40135040 + ... + 40135049.

It is an arithmetic number, because the mean of its divisors is an integer number (120405135).

Almost surely, 2^401350445 is an apocalyptic number.

It is an amenable number.

401350445 is a deficient number, since it is larger than the sum of its proper divisors (80270095).

401350445 is an equidigital number, since it uses as much as digits as its factorization.

401350445 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 80270094.

The product of its (nonzero) digits is 4800, while the sum is 26.

The square root of 401350445 is about 20033.7326776614. The cubic root of 401350445 is about 737.6345486585.

The spelling of 401350445 in words is "four hundred one million, three hundred fifty thousand, four hundred forty-five".