1772426240 has 176 divisors, whose sum is σ = 4732008960. Its totient is φ = 632586240.

The previous prime is 1772426233. The next prime is 1772426287. The reversal of 1772426240 is 426242771.

It is a self number, because there is not a number n which added to its sum of digits gives 1772426240.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2062931 + ... + 2063789.

Almost surely, 2^1772426240 is an apocalyptic number.

1772426240 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 1772426240, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2366004480).

1772426240 is an abundant number, since it is smaller than the sum of its proper divisors (2959582720).

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

1772426240 is a wasteful number, since it uses less digits than its factorization.

1772426240 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 928 (or 910 counting only the distinct ones).

The product of its (nonzero) digits is 37632, while the sum is 35.

The square root of 1772426240 is about 42100.1928736675. The cubic root of 1772426240 is about 1210.1969581257.

The spelling of 1772426240 in words is "one billion, seven hundred seventy-two million, four hundred twenty-six thousand, two hundred forty".