1440124272 has 100 divisors (see below), whose sum is σ = 4199079456. Its totient is φ = 476478720.

The previous prime is 1440124271. The next prime is 1440124289. The reversal of 1440124272 is 2724210441.

1440124272 is a `hidden beast` number, since 14 + 401 + 242 + 7 + 2 = 666.

It is a hoax number, since the sum of its digits (27) 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 (27).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1440124271) by changing a digit.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 173497 + ... + 181607.

Almost surely, 2^1440124272 is an apocalyptic number.

1440124272 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1440124272, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2099539728).

1440124272 is an abundant number, since it is smaller than the sum of its proper divisors (2758955184).

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

1440124272 is a wasteful number, since it uses less digits than its factorization.

1440124272 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8268 (or 8253 counting only the distinct ones).

The product of its (nonzero) digits is 3584, while the sum is 27.

The square root of 1440124272 is about 37948.9693140670. The cubic root of 1440124272 is about 1129.2757182865.

The spelling of 1440124272 in words is "one billion, four hundred forty million, one hundred twenty-four thousand, two hundred seventy-two".