401355453 has 4 divisors (see below), whose sum is σ = 535140608. Its totient is φ = 267570300.

The previous prime is 401355439. The next prime is 401355473. The reversal of 401355453 is 354553104.

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 401355453 - 2¹⁷ = 401224381 is a prime.

It is a super-2 number, since 2×401355453² = 322172399305670418, which contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 401355453.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (401355473) 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, 66892573 + ... + 66892578.

It is an arithmetic number, because the mean of its divisors is an integer number (133785152).

Almost surely, 2^401355453 is an apocalyptic number.

It is an amenable number.

401355453 is a deficient number, since it is larger than the sum of its proper divisors (133785155).

401355453 is a wasteful number, since it uses less digits than its factorization.

401355453 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 133785154.

The product of its (nonzero) digits is 18000, while the sum is 30.

The square root of 401355453 is about 20033.8576664605. The cubic root of 401355453 is about 737.6376166826.

The spelling of 401355453 in words is "four hundred one million, three hundred fifty-five thousand, four hundred fifty-three".