401446464257125 has 64 divisors (see below), whose sum is σ = 573472487278080. Its totient is φ = 274847305075200.

The previous prime is 401446464257117. The next prime is 401446464257131. The reversal of 401446464257125 is 521752464644104.

It is not a de Polignac number, because 401446464257125 - 2³ = 401446464257117 is a prime.

It is a super-2 number, since 2×401446464257125² (a number of 30 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 7415901559 + ... + 7415955691.

It is an arithmetic number, because the mean of its divisors is an integer number (8960507613720).

Almost surely, 2^{401446464257125} is an apocalyptic number.

It is an amenable number.

401446464257125 is a deficient number, since it is larger than the sum of its proper divisors (172026023020955).

401446464257125 is a wasteful number, since it uses less digits than its factorization.

401446464257125 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 67247 (or 67237 counting only the distinct ones).

The product of its (nonzero) digits is 25804800, while the sum is 55.

The spelling of 401446464257125 in words is "four hundred one trillion, four hundred forty-six billion, four hundred sixty-four million, two hundred fifty-seven thousand, one hundred twenty-five".