3954006878550 has 48 divisors (see below), whose sum is σ = 9806620534032. Its totient is φ = 1054328342400.

The previous prime is 3954006878537. The next prime is 3954006878561. The reversal of 3954006878550 is 558786004593.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1257732 + ... + 3080568.

It is an arithmetic number, because the mean of its divisors is an integer number (204304594459).

Almost surely, 2^{3954006878550} is an apocalyptic number.

3954006878550 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

3954006878550 is an abundant number, since it is smaller than the sum of its proper divisors (5852613655482).

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

3954006878550 is a wasteful number, since it uses less digits than its factorization.

3954006878550 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1837313 (or 1837308 counting only the distinct ones).

The product of its (nonzero) digits is 36288000, while the sum is 60.

The spelling of 3954006878550 in words is "three trillion, nine hundred fifty-four billion, six million, eight hundred seventy-eight thousand, five hundred fifty".