1454426820 has 576 divisors, whose sum is σ = 6067353600. Its totient is φ = 285223680.

The previous prime is 1454426819. The next prime is 1454426833. The reversal of 1454426820 is 286244541.

1454426820 is a `hidden beast` number, since 14 + 544 + 26 + 82 + 0 = 666.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 191 ways as a sum of consecutive naturals, for example, 5530009 + ... + 5530271.

It is an arithmetic number, because the mean of its divisors is an integer number (10533600).

Almost surely, 2^1454426820 is an apocalyptic number.

1454426820 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1454426820, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3033676800).

1454426820 is an abundant number, since it is smaller than the sum of its proper divisors (4612926780).

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

1454426820 is a wasteful number, since it uses less digits than its factorization.

1454426820 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 325 (or 310 counting only the distinct ones).

The product of its (nonzero) digits is 61440, while the sum is 36.

The square root of 1454426820 is about 38136.9482260970. The cubic root of 1454426820 is about 1133.0018651943.

The spelling of 1454426820 in words is "one billion, four hundred fifty-four million, four hundred twenty-six thousand, eight hundred twenty".