1424655540 has 480 divisors, whose sum is σ = 5713956864. Its totient is φ = 289733760.

The previous prime is 1424655509. The next prime is 1424655553. The reversal of 1424655540 is 455564241.

1424655540 is a `hidden beast` number, since 1 + 42 + 4 + 65 + 554 + 0 = 666.

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 = 1424655495 and 1424655504.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 159 ways as a sum of consecutive naturals, for example, 30311797 + ... + 30311843.

Almost surely, 2^1424655540 is an apocalyptic number.

1424655540 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 1424655540, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2856978432).

1424655540 is an abundant number, since it is smaller than the sum of its proper divisors (4289301324).

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

1424655540 is an equidigital number, since it uses as much as digits as its factorization.

1424655540 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 101 (or 75 counting only the distinct ones).

The product of its (nonzero) digits is 96000, while the sum is 36.

The square root of 1424655540 is about 37744.6094164452. The cubic root of 1424655540 is about 1125.2178778011.

The spelling of 1424655540 in words is "one billion, four hundred twenty-four million, six hundred fifty-five thousand, five hundred forty".