3652401556 has 12 divisors (see below), whose sum is σ = 6429977568. Its totient is φ = 1815265112.

The previous prime is 3652401547. The next prime is 3652401563. The reversal of 3652401556 is 6551042563.

It is a super-2 number, since 2×3652401556² = 26680074252542442272, which contains 22 as substring.

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 3 ways as a sum of consecutive naturals, for example, 2733166 + ... + 2734501.

It is an arithmetic number, because the mean of its divisors is an integer number (535831464).

Almost surely, 2^3652401556 is an apocalyptic number.

It is an amenable number.

3652401556 is a deficient number, since it is larger than the sum of its proper divisors (2777576012).

3652401556 is a wasteful number, since it uses less digits than its factorization.

3652401556 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5467838 (or 5467836 counting only the distinct ones).

The product of its (nonzero) digits is 108000, while the sum is 37.

The square root of 3652401556 is about 60435.1020186117. The cubic root of 3652401556 is about 1540.0193335404.

It can be divided in two parts, 365240 and 1556, that added together give a triangular number (366796 = T₈₅₆).

The spelling of 3652401556 in words is "three billion, six hundred fifty-two million, four hundred one thousand, five hundred fifty-six".