1429990613280 has 144 divisors (see below), whose sum is σ = 4917094326144. Its totient is φ = 378419857920.

The previous prime is 1429990613257. The next prime is 1429990613281. The reversal of 1429990613280 is 823160999241.

1429990613280 is a `hidden beast` number, since 1 + 429 + 9 + 9 + 0 + 6 + 132 + 80 = 666.

It is a tau number, because it is divible by the number of its divisors (144).

It is not an unprimeable number, because it can be changed into a prime (1429990613281) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 3601624 + ... + 3978903.

It is an arithmetic number, because the mean of its divisors is an integer number (34146488376).

Almost surely, 2^{1429990613280} is an apocalyptic number.

1429990613280 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1429990613280 is an abundant number, since it is smaller than the sum of its proper divisors (3487103712864).

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

1429990613280 is a wasteful number, since it uses less digits than its factorization.

1429990613280 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7580679 (or 7580668 counting only the distinct ones).

The product of its (nonzero) digits is 1679616, while the sum is 54.

The spelling of 1429990613280 in words is "one trillion, four hundred twenty-nine billion, nine hundred ninety million, six hundred thirteen thousand, two hundred eighty".