1420554240 has 416 divisors, whose sum is σ = 5787432960. Its totient is φ = 323813376.

The previous prime is 1420554227. The next prime is 1420554259. The reversal of 1420554240 is 424550241.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 3870537 + ... + 3870903.

Almost surely, 2^1420554240 is an apocalyptic number.

1420554240 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 1420554240, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2893716480).

1420554240 is an abundant number, since it is smaller than the sum of its proper divisors (4366878720).

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

1420554240 is an equidigital number, since it uses as much as digits as its factorization.

1420554240 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 412 (or 384 counting only the distinct ones).

The product of its (nonzero) digits is 6400, while the sum is 27.

The square root of 1420554240 is about 37690.2406466183. The cubic root of 1420554240 is about 1124.1370804981.

The spelling of 1420554240 in words is "one billion, four hundred twenty million, five hundred fifty-four thousand, two hundred forty".