4007156646 has 64 divisors (see below), whose sum is σ = 8520754176. Its totient is φ = 1253683200.

The previous prime is 4007156633. The next prime is 4007156651. The reversal of 4007156646 is 6466517004.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 2360470 + ... + 2362166.

It is an arithmetic number, because the mean of its divisors is an integer number (133136784).

Almost surely, 2^4007156646 is an apocalyptic number.

4007156646 is a gapful number since it is divisible by the number (46) formed by its first and last digit.

4007156646 is an abundant number, since it is smaller than the sum of its proper divisors (4513597530).

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

4007156646 is a wasteful number, since it uses less digits than its factorization.

4007156646 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2037.

The product of its (nonzero) digits is 120960, while the sum is 39.

The square root of 4007156646 is about 63302.1061734916. The cubic root of 4007156646 is about 1588.3471935414.

The spelling of 4007156646 in words is "four billion, seven million, one hundred fifty-six thousand, six hundred forty-six".