1358420544 has 168 divisors, whose sum is σ = 4349130240. Its totient is φ = 417913344.

The previous prime is 1358420537. The next prime is 1358420551. The reversal of 1358420544 is 4450248531.

It is a happy number.

1358420544 is a `hidden beast` number, since 1 + 3 + 584 + 20 + 54 + 4 = 666.

It is an interprime number because it is at equal distance from previous prime (1358420537) and next prime (1358420551).

It is a super-2 number, since 2×1358420544² = 3690612748722511872, which contains 22 as substring.

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

It is a junction number, because it is equal to n+sod(n) for n = 1358420499 and 1358420508.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 198817 + ... + 205535.

It is an arithmetic number, because the mean of its divisors is an integer number (25887680).

Almost surely, 2^1358420544 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1358420544, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2174565120).

1358420544 is an abundant number, since it is smaller than the sum of its proper divisors (2990709696).

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

1358420544 is an equidigital number, since it uses as much as digits as its factorization.

1358420544 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6759 (or 6737 counting only the distinct ones).

The product of its (nonzero) digits is 76800, while the sum is 36.

The square root of 1358420544 is about 36856.7571009713. The cubic root of 1358420544 is about 1107.5025809668.

The spelling of 1358420544 in words is "one billion, three hundred fifty-eight million, four hundred twenty thousand, five hundred forty-four".