671236151040 has 2592 divisors, whose sum is σ = 3141991472256. Its totient is φ = 130799370240.

The previous prime is 671236150997. The next prime is 671236151093. The reversal of 671236151040 is 40151632176.

671236151040 is a `hidden beast` number, since 6 + 7 + 1 + 23 + 615 + 10 + 4 + 0 = 666.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a junction number, because it is equal to n+sod(n) for n = 671236150986 and 671236151004.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 287 ways as a sum of consecutive naturals, for example, 6919960272 + ... + 6919960368.

It is an arithmetic number, because the mean of its divisors is an integer number (1212188068).

Almost surely, 2^671236151040 is an apocalyptic number.

671236151040 is a gapful number since it is divisible by the number (60) 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 671236151040, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1570995736128).

671236151040 is an abundant number, since it is smaller than the sum of its proper divisors (2470755321216).

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

671236151040 is a wasteful number, since it uses less digits than its factorization.

671236151040 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 215 (or 191 counting only the distinct ones).

The product of its (nonzero) digits is 30240, while the sum is 36.

The spelling of 671236151040 in words is "six hundred seventy-one billion, two hundred thirty-six million, one hundred fifty-one thousand, forty".