401407743 has 16 divisors (see below), whose sum is σ = 594884736. Its totient is φ = 238686240.

The previous prime is 401407729. The next prime is 401407759. The reversal of 401407743 is 347704104.

It is not a de Polignac number, because 401407743 - 2⁹ = 401407231 is a prime.

It is a super-2 number, since 2×401407743² = 322256352280708098, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 401407743.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (401407703) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 113005 + ... + 116502.

It is an arithmetic number, because the mean of its divisors is an integer number (37180296).

Almost surely, 2^401407743 is an apocalyptic number.

401407743 is a deficient number, since it is larger than the sum of its proper divisors (193476993).

401407743 is a wasteful number, since it uses less digits than its factorization.

401407743 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 229574.

The product of its (nonzero) digits is 9408, while the sum is 30.

The square root of 401407743 is about 20035.1626646753. The cubic root of 401407743 is about 737.6696492992.

The spelling of 401407743 in words is "four hundred one million, four hundred seven thousand, seven hundred forty-three".