401270047518 has 32 divisors (see below), whose sum is σ = 813755041056. Its totient is φ = 131888521728.

The previous prime is 401270047517. The next prime is 401270047523. The reversal of 401270047518 is 815740072104.

It is a super-2 number, since 2×401270047518² (a number of 24 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (401270047517) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1512346 + ... + 1757762.

It is an arithmetic number, because the mean of its divisors is an integer number (25429845033).

Almost surely, 2^401270047518 is an apocalyptic number.

401270047518 is an abundant number, since it is smaller than the sum of its proper divisors (412484993538).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

401270047518 is a wasteful number, since it uses less digits than its factorization.

401270047518 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 249228.

The product of its (nonzero) digits is 62720, while the sum is 39.

The spelling of 401270047518 in words is "four hundred one billion, two hundred seventy million, forty-seven thousand, five hundred eighteen".