1497480650440 has 16 divisors (see below), whose sum is σ = 3369331463580. Its totient is φ = 598992260160.

The previous prime is 1497480650431. The next prime is 1497480650531. The reversal of 1497480650440 is 440560847941.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 1412441925444 + 85038724996 = 1188462^2 + 291614^2 .

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, 18718508091 + ... + 18718508170.

Almost surely, 2^{1497480650440} is an apocalyptic number.

1497480650440 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1497480650440 is an abundant number, since it is smaller than the sum of its proper divisors (1871850813140).

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

1497480650440 is a wasteful number, since it uses less digits than its factorization.

1497480650440 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 37437016272 (or 37437016268 counting only the distinct ones).

The product of its (nonzero) digits is 3870720, while the sum is 52.

The spelling of 1497480650440 in words is "one trillion, four hundred ninety-seven billion, four hundred eighty million, six hundred fifty thousand, four hundred forty".