400715241 has 4 divisors (see below), whose sum is σ = 534286992. Its totient is φ = 267143492.

The previous prime is 400715233. The next prime is 400715257. The reversal of 400715241 is 142517004.

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 400715241 - 2³ = 400715233 is a prime.

It is not an unprimeable number, because it can be changed into a prime (400715201) 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, 66785871 + ... + 66785876.

It is an arithmetic number, because the mean of its divisors is an integer number (133571748).

Almost surely, 2^400715241 is an apocalyptic number.

It is an amenable number.

400715241 is a deficient number, since it is larger than the sum of its proper divisors (133571751).

400715241 is a wasteful number, since it uses less digits than its factorization.

400715241 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 133571750.

The product of its (nonzero) digits is 1120, while the sum is 24.

The square root of 400715241 is about 20017.8730388620. The cubic root of 400715241 is about 737.2451999613.

The spelling of 400715241 in words is "four hundred million, seven hundred fifteen thousand, two hundred forty-one".