40347662025421 has 8 divisors (see below), whose sum is σ = 41925022028288. Its totient is φ = 38787540930000.

The previous prime is 40347662025383. The next prime is 40347662025431. The reversal of 40347662025421 is 12452026674304.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 40347662025421 - 2¹¹ = 40347662023373 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40347662025431) 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, 4309722090 + ... + 4309731451.

It is an arithmetic number, because the mean of its divisors is an integer number (5240627753536).

Almost surely, 2^{40347662025421} is an apocalyptic number.

It is an amenable number.

40347662025421 is a deficient number, since it is larger than the sum of its proper divisors (1577360002867).

40347662025421 is a wasteful number, since it uses less digits than its factorization.

40347662025421 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8619453723.

The product of its (nonzero) digits is 1935360, while the sum is 46.

Adding to 40347662025421 its reverse (12452026674304), we get a palindrome (52799688699725).

The spelling of 40347662025421 in words is "forty trillion, three hundred forty-seven billion, six hundred sixty-two million, twenty-five thousand, four hundred twenty-one".