155254016040 has 192 divisors, whose sum is σ = 489597600960. Its totient is φ = 39375114240.

The previous prime is 155254016003. The next prime is 155254016117. The reversal of 155254016040 is 40610452551.

It is a junction number, because it is equal to n+sod(n) for n = 155254015992 and 155254016010.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 6750160 + ... + 6773120.

It is an arithmetic number, because the mean of its divisors is an integer number (2549987505).

Almost surely, 2^155254016040 is an apocalyptic number.

155254016040 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 155254016040, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (244798800480).

155254016040 is an abundant number, since it is smaller than the sum of its proper divisors (334343584920).

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

155254016040 is a wasteful number, since it uses less digits than its factorization.

155254016040 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23100 (or 23067 counting only the distinct ones).

The product of its (nonzero) digits is 24000, while the sum is 33.

Adding to 155254016040 its reverse (40610452551), we get a palindrome (195864468591).

The spelling of 155254016040 in words is "one hundred fifty-five billion, two hundred fifty-four million, sixteen thousand, forty".