1429986940 has 12 divisors (see below), whose sum is σ = 3002972616. Its totient is φ = 571994768.

The previous prime is 1429986937. The next prime is 1429986959. The reversal of 1429986940 is 496899241.

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, 35749654 + ... + 35749693.

It is an arithmetic number, because the mean of its divisors is an integer number (250247718).

Almost surely, 2^1429986940 is an apocalyptic number.

1429986940 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1429986940 is an abundant number, since it is smaller than the sum of its proper divisors (1572985676).

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

1429986940 is a wasteful number, since it uses less digits than its factorization.

1429986940 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 71499356 (or 71499354 counting only the distinct ones).

The product of its (nonzero) digits is 1119744, while the sum is 52.

The square root of 1429986940 is about 37815.1681207422. The cubic root of 1429986940 is about 1126.6197415576.

The spelling of 1429986940 in words is "one billion, four hundred twenty-nine million, nine hundred eighty-six thousand, nine hundred forty".