40150303621554 has 64 divisors (see below), whose sum is σ = 95261192036352. Its totient is φ = 11043384091200.

The previous prime is 40150303621517. The next prime is 40150303621559. The reversal of 40150303621554 is 45512630305104.

It is a happy number.

It is a super-2 number, since 2×40150303621554² (a number of 28 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (40150303621559) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 166597342 + ... + 166838169.

It is an arithmetic number, because the mean of its divisors is an integer number (1488456125568).

Almost surely, 2^{40150303621554} is an apocalyptic number.

40150303621554 is an abundant number, since it is smaller than the sum of its proper divisors (55110888414798).

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

40150303621554 is a wasteful number, since it uses less digits than its factorization.

40150303621554 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 333435631.

The product of its (nonzero) digits is 216000, while the sum is 39.

Adding to 40150303621554 its reverse (45512630305104), we get a palindrome (85662933926658).

The spelling of 40150303621554 in words is "forty trillion, one hundred fifty billion, three hundred three million, six hundred twenty-one thousand, five hundred fifty-four".