1429051780 has 24 divisors (see below), whose sum is σ = 3231856152. Its totient is φ = 527649792.

The previous prime is 1429051759. The next prime is 1429051817. The reversal of 1429051780 is 871509241.

It can be written as a sum of positive squares in 4 ways, for example, as 86415616 + 1342636164 = 9296^2 + 36642^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2747917 + ... + 2748436.

It is an arithmetic number, because the mean of its divisors is an integer number (134660673).

Almost surely, 2^1429051780 is an apocalyptic number.

1429051780 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1429051780 is an abundant number, since it is smaller than the sum of its proper divisors (1802804372).

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

1429051780 is a wasteful number, since it uses less digits than its factorization.

1429051780 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5496375 (or 5496373 counting only the distinct ones).

The product of its (nonzero) digits is 20160, while the sum is 37.

The square root of 1429051780 is about 37802.8012189573. The cubic root of 1429051780 is about 1126.3740984128.

The spelling of 1429051780 in words is "one billion, four hundred twenty-nine million, fifty-one thousand, seven hundred eighty".