2401434021 has 32 divisors (see below), whose sum is σ = 3715317760. Its totient is φ = 1351344384.

The previous prime is 2401434017. The next prime is 2401434037. The reversal of 2401434021 is 1204341042.

It is not a de Polignac number, because 2401434021 - 2² = 2401434017 is a prime.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2401434041) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 716676 + ... + 720018.

It is an arithmetic number, because the mean of its divisors is an integer number (116103680).

Almost surely, 2^2401434021 is an apocalyptic number.

2401434021 is a gapful number since it is divisible by the number (21) formed by its first and last digit.

It is an amenable number.

2401434021 is a deficient number, since it is larger than the sum of its proper divisors (1313883739).

2401434021 is a wasteful number, since it uses less digits than its factorization.

2401434021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3865.

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

The square root of 2401434021 is about 49004.4285855881. The cubic root of 2401434021 is about 1339.1325084346.

Adding to 2401434021 its reverse (1204341042), we get a palindrome (3605775063).

The spelling of 2401434021 in words is "two billion, four hundred one million, four hundred thirty-four thousand, twenty-one".