1022040432 has 90 divisors (see below), whose sum is σ = 3327303408. Its totient is φ = 292009536.

The previous prime is 1022040431. The next prime is 1022040449. The reversal of 1022040432 is 2340402201.

1022040432 is a `hidden beast` number, since 10 + 220 + 4 + 0 + 432 = 666.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1022040431) by changing a digit.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 65368 + ... + 79479.

Almost surely, 2^1022040432 is an apocalyptic number.

1022040432 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

1022040432 is an abundant number, since it is smaller than the sum of its proper divisors (2305262976).

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

1022040432 is a wasteful number, since it uses less digits than its factorization.

1022040432 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 144875 (or 144859 counting only the distinct ones).

The product of its (nonzero) digits is 384, while the sum is 18.

The square root of 1022040432 is about 31969.3670878859. The cubic root of 1022040432 is about 1007.2934863973.

Adding to 1022040432 its reverse (2340402201), we get a palindrome (3362442633).

The spelling of 1022040432 in words is "one billion, twenty-two million, forty thousand, four hundred thirty-two".