6262420440 has 64 divisors (see below), whose sum is σ = 18796520160. Its totient is φ = 1669155840.

The previous prime is 6262420393. The next prime is 6262420477. The reversal of 6262420440 is 440242626.

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 = 6262420398 and 6262420407.

It is a congruent number.

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, 254772 + ... + 278268.

Almost surely, 2^6262420440 is an apocalyptic number.

6262420440 is a gapful number since it is divisible by the number (60) formed by its first and last digit.

It is an amenable number.

6262420440 is an abundant number, since it is smaller than the sum of its proper divisors (12534099720).

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

6262420440 is a wasteful number, since it uses less digits than its factorization.

6262420440 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25732 (or 25728 counting only the distinct ones).

The product of its (nonzero) digits is 18432, while the sum is 30.

The square root of 6262420440 is about 79135.4562759323. The cubic root of 6262420440 is about 1843.2351363843.

The spelling of 6262420440 in words is "six billion, two hundred sixty-two million, four hundred twenty thousand, four hundred forty".