401415533450425 has 24 divisors (see below), whose sum is σ = 536219938885400. Its totient is φ = 296332709644800.

The previous prime is 401415533450423. The next prime is 401415533450453. The reversal of 401415533450425 is 524054335514104.

It is a happy number.

It can be written as a sum of positive squares in 12 ways, for example, as 180475015941801 + 220940517508624 = 13434099^2 + 14864068^2 .

It is not a de Polignac number, because 401415533450425 - 2¹ = 401415533450423 is a prime.

It is a super-2 number, since 2×401415533450425² (a number of 30 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (401415533450423) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 201554946 + ... + 203536795.

Almost surely, 2^{401415533450425} is an apocalyptic number.

It is an amenable number.

401415533450425 is a deficient number, since it is larger than the sum of its proper divisors (134804405434975).

401415533450425 is a wasteful number, since it uses less digits than its factorization.

401415533450425 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 405094813 (or 405094808 counting only the distinct ones).

The product of its (nonzero) digits is 2880000, while the sum is 46.

Adding to 401415533450425 its reverse (524054335514104), we get a palindrome (925469868964529).

The spelling of 401415533450425 in words is "four hundred one trillion, four hundred fifteen billion, five hundred thirty-three million, four hundred fifty thousand, four hundred twenty-five".