4266451640 has 32 divisors (see below), whose sum is σ = 10472200560. Its totient is φ = 1551436800.

The previous prime is 4266451627. The next prime is 4266451681. The reversal of 4266451640 is 461546624.

It is a junction number, because it is equal to n+sod(n) for n = 4266451594 and 4266451603.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4847801 + ... + 4848680.

Almost surely, 2^4266451640 is an apocalyptic number.

4266451640 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

4266451640 is an abundant number, since it is smaller than the sum of its proper divisors (6205748920).

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

4266451640 is a wasteful number, since it uses less digits than its factorization.

4266451640 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9696503 (or 9696499 counting only the distinct ones).

The product of its (nonzero) digits is 138240, while the sum is 38.

The square root of 4266451640 is about 65318.0804984347. The cubic root of 4266451640 is about 1621.8932851197.

The spelling of 4266451640 in words is "four billion, two hundred sixty-six million, four hundred fifty-one thousand, six hundred forty".