42247547445446 has 64 divisors (see below), whose sum is σ = 73835684213760. Its totient is φ = 17754849530880.

The previous prime is 42247547445437. The next prime is 42247547445457. The reversal of 42247547445446 is 64454474574224.

It is a super-3 number, since 3×42247547445446³ (a number of 42 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 540646490 + ... + 540724626.

It is an arithmetic number, because the mean of its divisors is an integer number (1153682565840).

Almost surely, 2^{42247547445446} is an apocalyptic number.

42247547445446 is a deficient number, since it is larger than the sum of its proper divisors (31588136768314).

42247547445446 is a wasteful number, since it uses less digits than its factorization.

42247547445446 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 79829.

The product of its digits is 481689600, while the sum is 62.

The spelling of 42247547445446 in words is "forty-two trillion, two hundred forty-seven billion, five hundred forty-seven million, four hundred forty-five thousand, four hundred forty-six".