1801744464 has 80 divisors (see below), whose sum is σ = 5276398400. Its totient is φ = 525201408.

The previous prime is 1801744453. The next prime is 1801744501. The reversal of 1801744464 is 4644471081.

It is a super-2 number, since 2×1801744464² = 6492566227109294592, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (39).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 64129 + ... + 87840.

It is an arithmetic number, because the mean of its divisors is an integer number (65954980).

Almost surely, 2^1801744464 is an apocalyptic number.

It is an amenable number.

1801744464 is an abundant number, since it is smaller than the sum of its proper divisors (3474653936).

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

1801744464 is a wasteful number, since it uses less digits than its factorization.

1801744464 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 152012 (or 152006 counting only the distinct ones).

The product of its (nonzero) digits is 86016, while the sum is 39.

The square root of 1801744464 is about 42446.9605979038. The cubic root of 1801744464 is about 1216.8332419539.

It can be divided in two parts, 18017 and 44464, that added together give a triangular number (62481 = T₃₅₃).

The spelling of 1801744464 in words is "one billion, eight hundred one million, seven hundred forty-four thousand, four hundred sixty-four".