71446674040 has 32 divisors (see below), whose sum is σ = 183720019680. Its totient is φ = 24496002432.

The previous prime is 71446674031. The next prime is 71446674077. The reversal of 71446674040 is 4047664417.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 127583067 + ... + 127583626.

It is an arithmetic number, because the mean of its divisors is an integer number (5741250615).

Almost surely, 2^71446674040 is an apocalyptic number.

71446674040 is a gapful number since it is divisible by the number (70) formed by its first and last digit.

It is an amenable number.

71446674040 is an abundant number, since it is smaller than the sum of its proper divisors (112273345640).

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

71446674040 is a wasteful number, since it uses less digits than its factorization.

71446674040 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 255166711 (or 255166707 counting only the distinct ones).

The product of its (nonzero) digits is 451584, while the sum is 43.

The spelling of 71446674040 in words is "seventy-one billion, four hundred forty-six million, six hundred seventy-four thousand, forty".