400313445343545 has 32 divisors (see below), whose sum is σ = 654173220169728. Its totient is φ = 208943879642048.

The previous prime is 400313445343507. The next prime is 400313445343573. The reversal of 400313445343545 is 545343544313004.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 400313445343545 - 2¹¹ = 400313445341497 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 400313445343494 and 400313445343503.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 8615439 + ... + 29577908.

It is an arithmetic number, because the mean of its divisors is an integer number (20442913130304).

Almost surely, 2^{400313445343545} is an apocalyptic number.

It is an amenable number.

400313445343545 is a deficient number, since it is larger than the sum of its proper divisors (253859774826183).

400313445343545 is a wasteful number, since it uses less digits than its factorization.

400313445343545 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 38208269.

The product of its (nonzero) digits is 10368000, while the sum is 48.

Adding to 400313445343545 its reverse (545343544313004), we get a palindrome (945656989656549).

The spelling of 400313445343545 in words is "four hundred trillion, three hundred thirteen billion, four hundred forty-five million, three hundred forty-three thousand, five hundred forty-five".