40730240457 has 12 divisors (see below), whose sum is σ = 58842273204. Its totient is φ = 27149015040.

The previous prime is 40730240443. The next prime is 40730240501. The reversal of 40730240457 is 75404203704.

40730240457 is a `hidden beast` number, since 407 + 3 + 0 + 240 + 4 + 5 + 7 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 15671033856 + 25059206601 = 125184^2 + 158301^2 .

It is not a de Polignac number, because 40730240457 - 2³⁰ = 39656498633 is a prime.

It is not an unprimeable number, because it can be changed into a prime (40730240417) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 315144 + ... + 425177.

It is an arithmetic number, because the mean of its divisors is an integer number (4903522767).

Almost surely, 2^40730240457 is an apocalyptic number.

It is an amenable number.

40730240457 is a deficient number, since it is larger than the sum of its proper divisors (18112032747).

40730240457 is a wasteful number, since it uses less digits than its factorization.

40730240457 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 746440 (or 746437 counting only the distinct ones).

The product of its (nonzero) digits is 94080, while the sum is 36.

The spelling of 40730240457 in words is "forty billion, seven hundred thirty million, two hundred forty thousand, four hundred fifty-seven".