1040420437 has 8 divisors (see below), whose sum is σ = 1192582976. Its totient is φ = 889140672.

The previous prime is 1040420431. The next prime is 1040420461. The reversal of 1040420437 is 7340240401.

1040420437 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 1040420437 - 2³ = 1040420429 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1040420431) 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, 218163 + ... + 222880.

It is an arithmetic number, because the mean of its divisors is an integer number (149072872).

Almost surely, 2^1040420437 is an apocalyptic number.

It is an amenable number.

1040420437 is a deficient number, since it is larger than the sum of its proper divisors (152162539).

1040420437 is an equidigital number, since it uses as much as digits as its factorization.

1040420437 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 441387.

The product of its (nonzero) digits is 2688, while the sum is 25.

The square root of 1040420437 is about 32255.5489334781. The cubic root of 1040420437 is about 1013.2959141764.

Adding to 1040420437 its reverse (7340240401), we get a palindrome (8380660838).

The spelling of 1040420437 in words is "one billion, forty million, four hundred twenty thousand, four hundred thirty-seven".