401252415 has 16 divisors (see below), whose sum is σ = 642379776. Its totient is φ = 213876000.

The previous prime is 401252413. The next prime is 401252419. The reversal of 401252415 is 514252104.

It is not a de Polignac number, because 401252415 - 2¹ = 401252413 is a prime.

It is a super-2 number, since 2×401252415² = 322007001086664450, which contains 22 as substring.

It is a zygodrome in base 4.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (401252413) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 22410 + ... + 36120.

It is an arithmetic number, because the mean of its divisors is an integer number (40148736).

Almost surely, 2^401252415 is an apocalyptic number.

401252415 is a deficient number, since it is larger than the sum of its proper divisors (241127361).

401252415 is a wasteful number, since it uses less digits than its factorization.

401252415 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15670.

The product of its (nonzero) digits is 1600, while the sum is 24.

The square root of 401252415 is about 20031.2859048040. The cubic root of 401252415 is about 737.5744879279.

The spelling of 401252415 in words is "four hundred one million, two hundred fifty-two thousand, four hundred fifteen".