4212643540 has 24 divisors (see below), whose sum is σ = 10110344832. Its totient is φ = 1444334880.

The previous prime is 4212643531. The next prime is 4212643541. The reversal of 4212643540 is 453462124.

It is a hoax number, since the sum of its digits (31) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4212643541) 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, 15045016 + ... + 15045295.

It is an arithmetic number, because the mean of its divisors is an integer number (421264368).

Almost surely, 2^4212643540 is an apocalyptic number.

It is an amenable number.

4212643540 is an abundant number, since it is smaller than the sum of its proper divisors (5897701292).

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

4212643540 is a wasteful number, since it uses less digits than its factorization.

4212643540 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 30090327 (or 30090325 counting only the distinct ones).

The product of its (nonzero) digits is 23040, while the sum is 31.

The square root of 4212643540 is about 64904.8807101592. The cubic root of 4212643540 is about 1615.0460280760.

The spelling of 4212643540 in words is "four billion, two hundred twelve million, six hundred forty-three thousand, five hundred forty".