400341245 has 16 divisors (see below), whose sum is σ = 509353920. Its totient is φ = 301027584.

The previous prime is 400341199. The next prime is 400341283. The reversal of 400341245 is 542143004.

It is a cyclic number.

It is not a de Polignac number, because 400341245 - 2²⁰ = 399292669 is a prime.

It is a super-2 number, since 2×400341245² = 320546224896300050, 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 400341245.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 70274 + ... + 75756.

It is an arithmetic number, because the mean of its divisors is an integer number (31834620).

Almost surely, 2^400341245 is an apocalyptic number.

It is an amenable number.

400341245 is a deficient number, since it is larger than the sum of its proper divisors (109012675).

400341245 is a wasteful number, since it uses less digits than its factorization.

400341245 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6364.

The product of its (nonzero) digits is 1920, while the sum is 23.

The square root of 400341245 is about 20008.5293062734. The cubic root of 400341245 is about 737.0157663946.

Adding to 400341245 its reverse (542143004), we get a palindrome (942484249).

The spelling of 400341245 in words is "four hundred million, three hundred forty-one thousand, two hundred forty-five".