400523115636345 has 32 divisors (see below), whose sum is σ = 690149867847552. Its totient is φ = 197175545021952.

The previous prime is 400523115636341. The next prime is 400523115636383. The reversal of 400523115636345 is 543636511325004.

It is not a de Polignac number, because 400523115636345 - 2² = 400523115636341 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 400523115636294 and 400523115636303.

It is not an unprimeable number, because it can be changed into a prime (400523115636341) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 18768819 + ... + 33960488.

It is an arithmetic number, because the mean of its divisors is an integer number (21567183370236).

Almost surely, 2^{400523115636345} is an apocalyptic number.

It is an amenable number.

400523115636345 is a deficient number, since it is larger than the sum of its proper divisors (289626752211207).

400523115636345 is a wasteful number, since it uses less digits than its factorization.

400523115636345 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 52768281.

The product of its (nonzero) digits is 3888000, while the sum is 48.

The spelling of 400523115636345 in words is "four hundred trillion, five hundred twenty-three billion, one hundred fifteen million, six hundred thirty-six thousand, three hundred forty-five".