671014792649448 has 384 divisors, whose sum is σ = 2075761816128000. Its totient is φ = 193992053760000.

The previous prime is 671014792649413. The next prime is 671014792649459. The reversal of 671014792649448 is 844946297410176.

671014792649448 is a `hidden beast` number, since 6 + 7 + 1 + 0 + 1 + 4 + 7 + 92 + 6 + 494 + 48 = 666.

It is a Harshad number since it is a multiple of its sum of digits (72).

It is an unprimeable number.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 39422751178 + ... + 39422768198.

It is an arithmetic number, because the mean of its divisors is an integer number (5405629729500).

Almost surely, 2^{671014792649448} is an apocalyptic number.

671014792649448 is a gapful number since it is divisible by the number (68) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 671014792649448, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1037880908064000).

671014792649448 is an abundant number, since it is smaller than the sum of its proper divisors (1404747023478552).

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

671014792649448 is a wasteful number, since it uses less digits than its factorization.

671014792649448 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21113 (or 21106 counting only the distinct ones).

The product of its (nonzero) digits is 585252864, while the sum is 72.

The spelling of 671014792649448 in words is "six hundred seventy-one trillion, fourteen billion, seven hundred ninety-two million, six hundred forty-nine thousand, four hundred forty-eight".