1432020040 has 32 divisors (see below), whose sum is σ = 3514959360. Its totient is φ = 520734400.

The previous prime is 1432019977. The next prime is 1432020047. The reversal of 1432020040 is 400202341.

It is a junction number, because it is equal to n+sod(n) for n = 1432019996 and 1432020023.

It is not an unprimeable number, because it can be changed into a prime (1432020047) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1626856 + ... + 1627735.

It is an arithmetic number, because the mean of its divisors is an integer number (109842480).

Almost surely, 2^1432020040 is an apocalyptic number.

1432020040 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1432020040 is an abundant number, since it is smaller than the sum of its proper divisors (2082939320).

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

1432020040 is a wasteful number, since it uses less digits than its factorization.

1432020040 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3254613 (or 3254609 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 16.

The square root of 1432020040 is about 37842.0406426503. The cubic root of 1432020040 is about 1127.1534168101.

Adding to 1432020040 its reverse (400202341), we get a palindrome (1832222381).

The spelling of 1432020040 in words is "one billion, four hundred thirty-two million, twenty thousand, forty".