401289140379 has 8 divisors (see below), whose sum is σ = 537041229840. Its totient is φ = 266531572256.

The previous prime is 401289140377. The next prime is 401289140389. The reversal of 401289140379 is 973041982104.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 401289140379 - 2¹ = 401289140377 is a prime.

It is a super-2 number, since 2×401289140379² (a number of 24 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (401289140377) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 248629392 + ... + 248631005.

It is an arithmetic number, because the mean of its divisors is an integer number (67130153730).

Almost surely, 2^401289140379 is an apocalyptic number.

401289140379 is a deficient number, since it is larger than the sum of its proper divisors (135752089461).

401289140379 is a wasteful number, since it uses less digits than its factorization.

401289140379 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 497260669.

The product of its (nonzero) digits is 435456, while the sum is 48.

The spelling of 401289140379 in words is "four hundred one billion, two hundred eighty-nine million, one hundred forty thousand, three hundred seventy-nine".