420046040 has 16 divisors (see below), whose sum is σ = 945103680. Its totient is φ = 168018400.

The previous prime is 420046037. The next prime is 420046043. The reversal of 420046040 is 40640024.

It is an interprime number because it is at equal distance from previous prime (420046037) and next prime (420046043).

It is a Harshad number since it is a multiple of its sum of digits (20).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (420046043) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5250536 + ... + 5250615.

It is an arithmetic number, because the mean of its divisors is an integer number (59068980).

Almost surely, 2^420046040 is an apocalyptic number.

420046040 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

420046040 is an abundant number, since it is smaller than the sum of its proper divisors (525057640).

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

420046040 is a wasteful number, since it uses less digits than its factorization.

420046040 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10501162 (or 10501158 counting only the distinct ones).

The product of its (nonzero) digits is 768, while the sum is 20.

The square root of 420046040 is about 20495.0247621221. The cubic root of 420046040 is about 748.9146018240.

Adding to 420046040 its reverse (40640024), we get a palindrome (460686064).

The spelling of 420046040 in words is "four hundred twenty million, forty-six thousand, forty".