1451820834 has 40 divisors (see below), whose sum is σ = 3255687468. Its totient is φ = 483563520.

The previous prime is 1451820827. The next prime is 1451820863. The reversal of 1451820834 is 4380281541.

It can be written as a sum of positive squares in 2 ways, for example, as 1440430209 + 11390625 = 37953^2 + 3375^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 272274 + ... + 277554.

Almost surely, 2^1451820834 is an apocalyptic number.

1451820834 is an abundant number, since it is smaller than the sum of its proper divisors (1803866634).

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

1451820834 is a wasteful number, since it uses less digits than its factorization.

1451820834 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6992 (or 6983 counting only the distinct ones).

The product of its (nonzero) digits is 30720, while the sum is 36.

The square root of 1451820834 is about 38102.7667499356. The cubic root of 1451820834 is about 1132.3247709238.

The spelling of 1451820834 in words is "one billion, four hundred fifty-one million, eight hundred twenty thousand, eight hundred thirty-four".