5402423420 has 24 divisors (see below), whose sum is σ = 11357236464. Its totient is φ = 2158655616.

The previous prime is 5402423419. The next prime is 5402423423. The reversal of 5402423420 is 243242045.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 5402423420.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5402423423) 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, 125402 + ... + 162881.

It is an arithmetic number, because the mean of its divisors is an integer number (473218186).

Almost surely, 2^5402423420 is an apocalyptic number.

It is an amenable number.

5402423420 is an abundant number, since it is smaller than the sum of its proper divisors (5954813044).

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

5402423420 is a wasteful number, since it uses less digits than its factorization.

5402423420 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 289229 (or 289227 counting only the distinct ones).

The product of its (nonzero) digits is 7680, while the sum is 26.

The square root of 5402423420 is about 73501.1797184236. The cubic root of 5402423420 is about 1754.6730526792.

Adding to 5402423420 its reverse (243242045), we get a palindrome (5645665465).

The spelling of 5402423420 in words is "five billion, four hundred two million, four hundred twenty-three thousand, four hundred twenty".