400003400510325 has 288 divisors, whose sum is σ = 811489218508800. Its totient is φ = 187146106767360.

The previous prime is 400003400510297. The next prime is 400003400510411. The reversal of 400003400510325 is 523015004300004.

It is not a de Polignac number, because 400003400510325 - 2¹⁵ = 400003400477557 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 287 ways as a sum of consecutive naturals, for example, 1624671882 + ... + 1624918068.

It is an arithmetic number, because the mean of its divisors is an integer number (2817670897600).

Almost surely, 2^{400003400510325} is an apocalyptic number.

400003400510325 is a gapful number since it is divisible by the number (45) formed by its first and last digit.

It is an amenable number.

400003400510325 is an abundant number, since it is smaller than the sum of its proper divisors (411485817998475).

400003400510325 is a wasteful number, since it uses less digits than its factorization.

400003400510325 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 246601 (or 246593 counting only the distinct ones).

The product of its (nonzero) digits is 7200, while the sum is 27.

Adding to 400003400510325 its reverse (523015004300004), we get a palindrome (923018404810329).

The spelling of 400003400510325 in words is "four hundred trillion, three billion, four hundred million, five hundred ten thousand, three hundred twenty-five".