4062540420 has 240 divisors, whose sum is σ = 13052527488. Its totient is φ = 1057536000.

The previous prime is 4062540413. The next prime is 4062540431. The reversal of 4062540420 is 240452604.

4062540420 is a `hidden beast` number, since 40 + 62 + 540 + 4 + 20 = 666.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is an unprimeable number.

It is a polite number, since it can be written in 79 ways as a sum of consecutive naturals, for example, 16185295 + ... + 16185545.

Almost surely, 2^4062540420 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 4062540420, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (6526263744).

4062540420 is an abundant number, since it is smaller than the sum of its proper divisors (8989987068).

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

4062540420 is a wasteful number, since it uses less digits than its factorization.

4062540420 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 472 (or 461 counting only the distinct ones).

The product of its (nonzero) digits is 7680, while the sum is 27.

The square root of 4062540420 is about 63738.0609996884. The cubic root of 4062540420 is about 1595.6313666118.

The spelling of 4062540420 in words is "four billion, sixty-two million, five hundred forty thousand, four hundred twenty".