1745405940 has 48 divisors (see below), whose sum is σ = 4908516480. Its totient is φ = 463405440.

The previous prime is 1745405923. The next prime is 1745405969. The reversal of 1745405940 is 495045471.

It is a super-3 number, since 3×1745405940³ (a number of 29 digits) contains 333 as substring.

It is a Smith number, since the sum of its digits (39) coincides with the sum of the digits of its prime factors.

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, 49776 + ... + 77255.

It is an arithmetic number, because the mean of its divisors is an integer number (102260760).

Almost surely, 2^1745405940 is an apocalyptic number.

1745405940 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1745405940 is an abundant number, since it is smaller than the sum of its proper divisors (3163110540).

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

1745405940 is a wasteful number, since it uses less digits than its factorization.

1745405940 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 127272 (or 127270 counting only the distinct ones).

The product of its (nonzero) digits is 100800, while the sum is 39.

The square root of 1745405940 is about 41778.0557230707. The cubic root of 1745405940 is about 1204.0156995852.

The spelling of 1745405940 in words is "one billion, seven hundred forty-five million, four hundred five thousand, nine hundred forty".