1040441430 has 64 divisors (see below), whose sum is σ = 2857586688. Its totient is φ = 237498240.

The previous prime is 1040441401. The next prime is 1040441489. The reversal of 1040441430 is 341440401.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is a junction number, because it is equal to n+sod(n) for n = 1040441397 and 1040441406.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 178360 + ... + 184100.

It is an arithmetic number, because the mean of its divisors is an integer number (44649792).

Almost surely, 2^1040441430 is an apocalyptic number.

1040441430 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1040441430 is an abundant number, since it is smaller than the sum of its proper divisors (1817145258).

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

1040441430 is a wasteful number, since it uses less digits than its factorization.

1040441430 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6621.

The product of its (nonzero) digits is 768, while the sum is 21.

The square root of 1040441430 is about 32255.8743487136. The cubic root of 1040441430 is about 1013.3027293629.

Adding to 1040441430 its reverse (341440401), we get a palindrome (1381881831).

The spelling of 1040441430 in words is "one billion, forty million, four hundred forty-one thousand, four hundred thirty".