1449351740 has 12 divisors (see below), whose sum is σ = 3043638696. Its totient is φ = 579740688.

The previous prime is 1449351689. The next prime is 1449351769. The reversal of 1449351740 is 471539441.

It is a junction number, because it is equal to n+sod(n) for n = 1449351694 and 1449351703.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 36233774 + ... + 36233813.

It is an arithmetic number, because the mean of its divisors is an integer number (253636558).

Almost surely, 2^1449351740 is an apocalyptic number.

1449351740 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1449351740 is an abundant number, since it is smaller than the sum of its proper divisors (1594286956).

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

1449351740 is a wasteful number, since it uses less digits than its factorization.

1449351740 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 72467596 (or 72467594 counting only the distinct ones).

The product of its (nonzero) digits is 60480, while the sum is 38.

The square root of 1449351740 is about 38070.3525069049. The cubic root of 1449351740 is about 1131.6824963702.

The spelling of 1449351740 in words is "one billion, four hundred forty-nine million, three hundred fifty-one thousand, seven hundred forty".