1432885140 has 60 divisors (see below), whose sum is σ = 4495018836. Its totient is φ = 382102272.

The previous prime is 1432885123. The next prime is 1432885147. The reversal of 1432885140 is 415882341.

1432885140 is a `hidden beast` number, since 1 + 432 + 8 + 85 + 140 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 678394116 + 754491024 = 26046^2 + 27468^2 .

It is a tau number, because it is divible by the number of its divisors (60).

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a junction number, because it is equal to n+sod(n) for n = 1432885095 and 1432885104.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1432885147) by changing a digit.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 440629 + ... + 443868.

Almost surely, 2^1432885140 is an apocalyptic number.

1432885140 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1432885140 is an abundant number, since it is smaller than the sum of its proper divisors (3062133696).

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

1432885140 is a wasteful number, since it uses less digits than its factorization.

1432885140 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 884518 (or 884507 counting only the distinct ones).

The product of its (nonzero) digits is 30720, while the sum is 36.

The square root of 1432885140 is about 37853.4693258095. The cubic root of 1432885140 is about 1127.3803466256.

The spelling of 1432885140 in words is "one billion, four hundred thirty-two million, eight hundred eighty-five thousand, one hundred forty".