1494038772 has 18 divisors (see below), whose sum is σ = 3776598098. Its totient is φ = 498012912.

The previous prime is 1494038743. The next prime is 1494038789. The reversal of 1494038772 is 2778304941.

It can be written as a sum of positive squares in only one way, i.e., 1123322256 + 370716516 = 33516^2 + 19254^2 .

It is a tau number, because it is divible by the number of its divisors (18).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 20750503 + ... + 20750574.

Almost surely, 2^1494038772 is an apocalyptic number.

1494038772 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

1494038772 is an abundant number, since it is smaller than the sum of its proper divisors (2282559326).

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

1494038772 is a wasteful number, since it uses less digits than its factorization.

1494038772 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 41501087 (or 41501082 counting only the distinct ones).

The product of its (nonzero) digits is 338688, while the sum is 45.

The square root of 1494038772 is about 38652.7977253911. The cubic root of 1494038772 is about 1143.1958064759.

The spelling of 1494038772 in words is "one billion, four hundred ninety-four million, thirty-eight thousand, seven hundred seventy-two".