40547428517582 has 16 divisors (see below), whose sum is σ = 69509960408160. Its totient is φ = 17377448627328.

The previous prime is 40547428517581. The next prime is 40547428517681. The reversal of 40547428517582 is 28571582474504.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40547428517581) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 18976394 + ... + 21004722.

It is an arithmetic number, because the mean of its divisors is an integer number (4344372525510).

Almost surely, 2^{40547428517582} is an apocalyptic number.

40547428517582 is a deficient number, since it is larger than the sum of its proper divisors (28962531890578).

40547428517582 is a wasteful number, since it uses less digits than its factorization.

40547428517582 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3456235.

The product of its (nonzero) digits is 100352000, while the sum is 62.

The spelling of 40547428517582 in words is "forty trillion, five hundred forty-seven billion, four hundred twenty-eight million, five hundred seventeen thousand, five hundred eighty-two".