1451683680 has 48 divisors (see below), whose sum is σ = 4572805104. Its totient is φ = 387115520.

The previous prime is 1451683637. The next prime is 1451683687. The reversal of 1451683680 is 863861541.

It is a tau number, because it is divible by the number of its divisors (48).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1451683687) 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, 1511691 + ... + 1512650.

It is an arithmetic number, because the mean of its divisors is an integer number (95266773).

Almost surely, 2^1451683680 is an apocalyptic number.

1451683680 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1451683680 is an abundant number, since it is smaller than the sum of its proper divisors (3121121424).

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

1451683680 is a wasteful number, since it uses less digits than its factorization.

1451683680 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3024359 (or 3024351 counting only the distinct ones).

The product of its (nonzero) digits is 138240, while the sum is 42.

The square root of 1451683680 is about 38100.9669168645. The cubic root of 1451683680 is about 1132.2891127675.

The spelling of 1451683680 in words is "one billion, four hundred fifty-one million, six hundred eighty-three thousand, six hundred eighty".