4006545681294 has 96 divisors (see below), whose sum is σ = 9651021778944. Its totient is φ = 1192911347520.

The previous prime is 4006545681287. The next prime is 4006545681329. The reversal of 4006545681294 is 4921865456004.

It is a happy number.

4006545681294 is a `hidden beast` number, since 4 + 0 + 0 + 6 + 54 + 568 + 1 + 29 + 4 = 666.

It is a self number, because there is not a number n which added to its sum of digits gives 4006545681294.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 132638797 + ... + 132668999.

It is an arithmetic number, because the mean of its divisors is an integer number (100531476864).

Almost surely, 2^{4006545681294} is an apocalyptic number.

4006545681294 is an abundant number, since it is smaller than the sum of its proper divisors (5644476097650).

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

4006545681294 is a wasteful number, since it uses less digits than its factorization.

4006545681294 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 48542 (or 48539 counting only the distinct ones).

The product of its (nonzero) digits is 8294400, while the sum is 54.

The spelling of 4006545681294 in words is "four trillion, six billion, five hundred forty-five million, six hundred eighty-one thousand, two hundred ninety-four".