407498331381 has 8 divisors (see below), whose sum is σ = 571927482720. Its totient is φ = 257367367152.

The previous prime is 407498331367. The next prime is 407498331391. The reversal of 407498331381 is 183133894704.

It is a happy number.

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

It is not a de Polignac number, because 407498331381 - 2²⁵ = 407464776949 is a prime.

It is a super-2 number, since 2×407498331381² (a number of 24 digits) contains 22 as substring.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (407498331391) 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, 3574546710 + ... + 3574546823.

It is an arithmetic number, because the mean of its divisors is an integer number (71490935340).

Almost surely, 2^407498331381 is an apocalyptic number.

It is an amenable number.

407498331381 is a deficient number, since it is larger than the sum of its proper divisors (164429151339).

407498331381 is a wasteful number, since it uses less digits than its factorization.

407498331381 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7149093555.

The product of its (nonzero) digits is 1741824, while the sum is 51.

The spelling of 407498331381 in words is "four hundred seven billion, four hundred ninety-eight million, three hundred thirty-one thousand, three hundred eighty-one".