4001343402 has 32 divisors (see below), whose sum is σ = 9340526592. Its totient is φ = 1118916144.

The previous prime is 4001343349. The next prime is 4001343427. The reversal of 4001343402 is 2043431004.

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

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1011538 + ... + 1015485.

It is an arithmetic number, because the mean of its divisors is an integer number (291891456).

Almost surely, 2^4001343402 is an apocalyptic number.

4001343402 is a gapful number since it is divisible by the number (42) formed by its first and last digit.

4001343402 is an abundant number, since it is smaller than the sum of its proper divisors (5339183190).

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

4001343402 is a wasteful number, since it uses less digits than its factorization.

4001343402 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2027082.

The product of its (nonzero) digits is 1152, while the sum is 21.

The square root of 4001343402 is about 63256.1728371232. The cubic root of 4001343402 is about 1587.5787418896.

Adding to 4001343402 its reverse (2043431004), we get a palindrome (6044774406).

The spelling of 4001343402 in words is "four billion, one million, three hundred forty-three thousand, four hundred two".