404343540151420 has 48 divisors (see below), whose sum is σ = 849743537592096. Its totient is φ = 161618940000000.

The previous prime is 404343540151387. The next prime is 404343540151427. The reversal of 404343540151420 is 24151045343404.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (404343540151427) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 329328670 + ... + 330554170.

It is an arithmetic number, because the mean of its divisors is an integer number (17702990366502).

Almost surely, 2^{404343540151420} is an apocalyptic number.

It is an amenable number.

404343540151420 is an abundant number, since it is smaller than the sum of its proper divisors (445399997440676).

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

404343540151420 is a wasteful number, since it uses less digits than its factorization.

404343540151420 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1237582 (or 1237580 counting only the distinct ones).

The product of its (nonzero) digits is 460800, while the sum is 40.

Adding to 404343540151420 its reverse (24151045343404), we get a palindrome (428494585494824).

The spelling of 404343540151420 in words is "four hundred four trillion, three hundred forty-three billion, five hundred forty million, one hundred fifty-one thousand, four hundred twenty".