1955450958 has 16 divisors (see below), whose sum is σ = 3911785680. Its totient is φ = 651669696.

The previous prime is 1955450941. The next prime is 1955450963. The reversal of 1955450958 is 8590545591.

It is a self number, because there is not a number n which added to its sum of digits gives 1955450958.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6085 + ... + 62832.

It is an arithmetic number, because the mean of its divisors is an integer number (244486605).

Almost surely, 2^1955450958 is an apocalyptic number.

1955450958 is an abundant number, since it is smaller than the sum of its proper divisors (1956334722).

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

1955450958 is a wasteful number, since it uses less digits than its factorization.

1955450958 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 73651.

The product of its (nonzero) digits is 1620000, while the sum is 51.

The square root of 1955450958 is about 44220.4812049801. The cubic root of 1955450958 is about 1250.4960075285.

The spelling of 1955450958 in words is "one billion, nine hundred fifty-five million, four hundred fifty thousand, nine hundred fifty-eight".