1434625840 has 20 divisors (see below), whose sum is σ = 3335505264. Its totient is φ = 573850304.

The previous prime is 1434625831. The next prime is 1434625847. The reversal of 1434625840 is 485264341.

It is a tau number, because it is divible by the number of its divisors (20).

It is a self number, because there is not a number n which added to its sum of digits gives 1434625840.

It is not an unprimeable number, because it can be changed into a prime (1434625847) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 8966332 + ... + 8966491.

Almost surely, 2^1434625840 is an apocalyptic number.

1434625840 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1434625840 is an abundant number, since it is smaller than the sum of its proper divisors (1900879424).

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

1434625840 is a wasteful number, since it uses less digits than its factorization.

1434625840 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17932836 (or 17932830 counting only the distinct ones).

The product of its (nonzero) digits is 92160, while the sum is 37.

The square root of 1434625840 is about 37876.4549555525. The cubic root of 1434625840 is about 1127.8366839324.

It can be divided in two parts, 14346 and 25840, that added together give a triangular number (40186 = T₂₈₃).

The spelling of 1434625840 in words is "one billion, four hundred thirty-four million, six hundred twenty-five thousand, eight hundred forty".