1440922036 has 12 divisors (see below), whose sum is σ = 2602956160. Its totient is φ = 697220280.

The previous prime is 1440921991. The next prime is 1440922037. The reversal of 1440922036 is 6302290441.

It is a happy number.

It is a hoax number, since the sum of its digits (31) coincides with the sum of the digits of its distinct prime factors.

It is a Harshad number since it is a multiple of its sum of digits (31).

It is a junction number, because it is equal to n+sod(n) for n = 1440921989 and 1440922007.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1440922037) by changing a digit.

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, 5810046 + ... + 5810293.

Almost surely, 2^1440922036 is an apocalyptic number.

It is an amenable number.

1440922036 is a deficient number, since it is larger than the sum of its proper divisors (1162034124).

1440922036 is a wasteful number, since it uses less digits than its factorization.

1440922036 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11620374 (or 11620372 counting only the distinct ones).

The product of its (nonzero) digits is 10368, while the sum is 31.

The square root of 1440922036 is about 37959.4788689202. The cubic root of 1440922036 is about 1129.4842024271.

The spelling of 1440922036 in words is "one billion, four hundred forty million, nine hundred twenty-two thousand, thirty-six".