3420457540 has 48 divisors (see below), whose sum is σ = 7421105664. Its totient is φ = 1322899200.

The previous prime is 3420457507. The next prime is 3420457541. The reversal of 3420457540 is 457540243.

It is a junction number, because it is equal to n+sod(n) for n = 3420457496 and 3420457505.

It is not an unprimeable number, because it can be changed into a prime (3420457541) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1195792 + ... + 1198648.

It is an arithmetic number, because the mean of its divisors is an integer number (154606368).

Almost surely, 2^3420457540 is an apocalyptic number.

It is an amenable number.

3420457540 is an abundant number, since it is smaller than the sum of its proper divisors (4000648124).

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

3420457540 is a wasteful number, since it uses less digits than its factorization.

3420457540 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4828 (or 4826 counting only the distinct ones).

The product of its (nonzero) digits is 67200, while the sum is 34.

The square root of 3420457540 is about 58484.6778224861. The cubic root of 3420457540 is about 1506.7044393859.

Adding to 3420457540 its reverse (457540243), we get a palindrome (3877997783).

The spelling of 3420457540 in words is "three billion, four hundred twenty million, four hundred fifty-seven thousand, five hundred forty".