6212061840 has 80 divisors (see below), whose sum is σ = 19444434048. Its totient is φ = 1640460288.

The previous prime is 6212061827. The next prime is 6212061853. The reversal of 6212061840 is 481602126.

It is an interprime number because it is at equal distance from previous prime (6212061827) and next prime (6212061853).

It is a tau number, because it is divible by the number of its divisors (80).

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a junction number, because it is equal to n+sod(n) for n = 6212061798 and 6212061807.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 100929 + ... + 150368.

Almost surely, 2^6212061840 is an apocalyptic number.

6212061840 is a gapful number since it is divisible by the number (60) formed by its first and last digit.

It is an amenable number.

6212061840 is an abundant number, since it is smaller than the sum of its proper divisors (13232372208).

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

6212061840 is a wasteful number, since it uses less digits than its factorization.

6212061840 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 251416 (or 251410 counting only the distinct ones).

The product of its (nonzero) digits is 4608, while the sum is 30.

The square root of 6212061840 is about 78816.6342849021. The cubic root of 6212061840 is about 1838.2811058308.

Adding to 6212061840 its reverse (481602126), we get a palindrome (6693663966).

The spelling of 6212061840 in words is "six billion, two hundred twelve million, sixty-one thousand, eight hundred forty".