5420637340 has 24 divisors (see below), whose sum is σ = 12052947312. Its totient is φ = 2040710400.

The previous prime is 5420637317. The next prime is 5420637367. The reversal of 5420637340 is 437360245.

It is a Harshad number since it is a multiple of its sum of digits (34).

It is a junction number, because it is equal to n+sod(n) for n = 5420637296 and 5420637305.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7971186 + ... + 7971865.

It is an arithmetic number, because the mean of its divisors is an integer number (502206138).

Almost surely, 2^5420637340 is an apocalyptic number.

It is an amenable number.

5420637340 is an abundant number, since it is smaller than the sum of its proper divisors (6632309972).

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

5420637340 is a wasteful number, since it uses less digits than its factorization.

5420637340 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15943077 (or 15943075 counting only the distinct ones).

The product of its (nonzero) digits is 60480, while the sum is 34.

The square root of 5420637340 is about 73624.9776909983. The cubic root of 5420637340 is about 1756.6427628639.

Adding to 5420637340 its reverse (437360245), we get a palindrome (5857997585).

The spelling of 5420637340 in words is "five billion, four hundred twenty million, six hundred thirty-seven thousand, three hundred forty".