1494428002740 has 72 divisors (see below), whose sum is σ = 4655614465320. Its totient is φ = 387743480064.

The previous prime is 1494428002729. The next prime is 1494428002787. The reversal of 1494428002740 is 472008244941.

1494428002740 is a `hidden beast` number, since 1 + 494 + 42 + 80 + 0 + 2 + 7 + 40 = 666.

It can be written as a sum of positive squares in 4 ways, for example, as 231420647844 + 1263007354896 = 481062^2 + 1123836^2 .

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 112187635 + ... + 112200954.

Almost surely, 2^{1494428002740} is an apocalyptic number.

1494428002740 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1494428002740 is an abundant number, since it is smaller than the sum of its proper divisors (3161186462580).

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

1494428002740 is a wasteful number, since it uses less digits than its factorization.

1494428002740 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 224388641 (or 224388636 counting only the distinct ones).

The product of its (nonzero) digits is 516096, while the sum is 45.

The spelling of 1494428002740 in words is "one trillion, four hundred ninety-four billion, four hundred twenty-eight million, two thousand, seven hundred forty".