401240201554 has 8 divisors (see below), whose sum is σ = 615857053680. Its totient is φ = 195954516996.

The previous prime is 401240201543. The next prime is 401240201561. The reversal of 401240201554 is 455102042104.

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

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2332791784 + ... + 2332791955.

It is an arithmetic number, because the mean of its divisors is an integer number (76982131710).

Almost surely, 2^401240201554 is an apocalyptic number.

401240201554 is a deficient number, since it is larger than the sum of its proper divisors (214616852126).

401240201554 is a wasteful number, since it uses less digits than its factorization.

401240201554 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4665583784.

The product of its (nonzero) digits is 6400, while the sum is 28.

Adding to 401240201554 its reverse (455102042104), we get a palindrome (856342243658).

The spelling of 401240201554 in words is "four hundred one billion, two hundred forty million, two hundred one thousand, five hundred fifty-four".