1432149440 has 28 divisors (see below), whose sum is σ = 3410306616. Its totient is φ = 572859648.

The previous prime is 1432149403. The next prime is 1432149473. The reversal of 1432149440 is 449412341.

It is a Harshad number since it is a multiple of its sum of digits (32).

It is a junction number, because it is equal to n+sod(n) for n = 1432149397 and 1432149406.

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, 2237414 + ... + 2238053.

Almost surely, 2^1432149440 is an apocalyptic number.

1432149440 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1432149440 is an abundant number, since it is smaller than the sum of its proper divisors (1978157176).

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

1432149440 is an equidigital number, since it uses as much as digits as its factorization.

1432149440 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4475484 (or 4475474 counting only the distinct ones).

The product of its (nonzero) digits is 13824, while the sum is 32.

The square root of 1432149440 is about 37843.7503426920. The cubic root of 1432149440 is about 1127.1873663488.

The spelling of 1432149440 in words is "one billion, four hundred thirty-two million, one hundred forty-nine thousand, four hundred forty".