1429106640 has 80 divisors (see below), whose sum is σ = 4771027968. Its totient is φ = 351779328.

The previous prime is 1429106639. The next prime is 1429106663. The reversal of 1429106640 is 466019241.

It is a tau number, because it is divible by the number of its divisors (80).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 225904 + ... + 232143.

Almost surely, 2^1429106640 is an apocalyptic number.

1429106640 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1429106640 is an abundant number, since it is smaller than the sum of its proper divisors (3341921328).

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

1429106640 is a wasteful number, since it uses less digits than its factorization.

1429106640 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 458076 (or 458070 counting only the distinct ones).

The product of its (nonzero) digits is 10368, while the sum is 33.

The square root of 1429106640 is about 37803.5268195971. The cubic root of 1429106640 is about 1126.3885117213.

The spelling of 1429106640 in words is "one billion, four hundred twenty-nine million, one hundred six thousand, six hundred forty".